Posted Imbalances
TSP (Pipeline):
Note: Posted imbalances displayed are for last accounting month.
| TSP | Date | Range | Short | Long | TSP Name |
|---|---|---|---|---|---|
| 61 | 2021-01-01 | 0-5% | 3.4463 | 2.3713 | Rocky Mountain Natural Gas LLC |
| 22 | 2021-01-01 | 0-100% | 3.6323 | 2.3713 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2021-01-01 | 5-100% | 4.3079 | 1.7785 | Rocky Mountain Natural Gas LLC |
| 58 | 2021-01-01 | 0-100% | 2.6854 | 2.3713 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2021-01-01 | 0-100% | 7.0440 | 1.6950 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2020-09-01 | 0-100% | 2.7630 | .7240 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2020-09-01 | 0-5% | 2.2913 | .9775 | Rocky Mountain Natural Gas LLC |
| 61 | 2020-09-01 | 5-100% | 2.8600 | .7300 | Rocky Mountain Natural Gas LLC |
| 22 | 2020-09-01 | 0-5% | 3.1498 | 1.3750 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2020-09-01 | 5-100% | 3.9372 | 1.0313 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2020-09-01 | 0-5% | 1.6891 | 1.3750 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2020-09-01 | 5-100% | 2.1110 | 1.0310 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2020-03-01 | 0-5% | 1.6600 | 1.0795 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2020-03-01 | 5-100% | 1.8850 | .8890 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2020-03-01 | 0-5% | 1.7910 | 1.3850 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2020-03-01 | 0-5% | 1.7966 | 1.3850 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2020-03-01 | 5-100% | 2.2387 | 1.0388 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2020-03-01 | 5-100% | 2.2457 | 1.0388 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2020-03-01 | 0-5% | 1.6438 | 1.0750 | Rocky Mountain Natural Gas LLC |
| 61 | 2020-03-01 | 5-100% | 2.0547 | .8063 | Rocky Mountain Natural Gas LLC |
| 32 | 2020-02-01 | 5-100% | 2.2295 | 1.1095 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2020-02-01 | 0-5% | 1.9953 | 1.6375 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2020-02-01 | 0-5% | 1.9897 | 1.6375 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2020-02-01 | 0-5% | 1.7725 | 1.3175 | Rocky Mountain Natural Gas LLC |
| 61 | 2020-02-01 | 5-100% | 2.2156 | .9881 | Rocky Mountain Natural Gas LLC |
| 32 | 2020-02-01 | 0-5% | 1.9723 | 1.3473 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2020-02-01 | 5-100% | 2.4941 | 1.2281 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2020-01-01 | 0-5% | 2.1045 | 1.4025 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2020-01-01 | 5-100% | 2.3790 | 1.1550 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2020-01-01 | 0-5% | 2.4203 | 1.7825 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2020-01-01 | 5-100% | 3.0254 | 1.3369 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2020-01-01 | 0-5% | 2.4147 | 1.7825 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2020-01-01 | 5-100% | 3.0184 | 1.3369 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2020-01-01 | 0-5% | 2.2300 | 1.5013 | Rocky Mountain Natural Gas LLC |
| 61 | 2020-01-01 | 5-100% | 2.7875 | 1.1259 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-12-01 | 0-5% | 2.7338 | 1.7913 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-12-01 | 5-100% | 3.4172 | 1.3434 | Rocky Mountain Natural Gas LLC |
| 32 | 2019-12-01 | 0-5% | 2.3115 | 1.5045 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-12-01 | 5-100% | 2.6130 | 1.2390 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2019-12-01 | 0-5% | 2.9378 | 1.9063 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-12-01 | 5-100% | 3.6723 | 1.4297 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-12-01 | 0-5% | 2.9322 | 1.9063 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-12-01 | 5-100% | 3.6653 | 1.4297 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2019-11-01 | 0-5% | 2.8500 | 2.1650 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-11-01 | 5-100% | 3.5629 | 1.6238 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-11-01 | 0-5% | 2.8447 | 2.1650 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-11-01 | 5-100% | 3.5559 | 1.6238 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2019-11-01 | 0-5% | 2.7600 | 1.7468 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-11-01 | 5-100% | 3.1200 | 1.4385 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2019-11-01 | 0-5% | 2.6863 | 1.7138 | Rocky Mountain Natural Gas LLC |
| 17 | 2019-11-01 | 5-100% | 3.3578 | 1.2853 | Black Hills Nebraska Gas, Rate Area 5 |
| 61 | 2019-11-01 | 5-100% | 3.3578 | 1.2853 | Rocky Mountain Natural Gas LLC |
| 22 | 2019-10-01 | 0-5% | 2.2428 | 1.5600 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-10-01 | 5-100% | 2.8035 | 1.1700 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2019-10-01 | 0-5% | 2.6375 | .9488 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-10-01 | 5-100% | 3.2969 | .7116 | Rocky Mountain Natural Gas LLC |
| 58 | 2019-10-01 | 0-5% | 2.2372 | 1.5600 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-10-01 | 5-100% | 2.7965 | 1.1700 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2019-10-01 | 0-5% | 2.2655 | 1.1305 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-10-01 | 5-100% | 2.5610 | .9310 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2019-09-01 | 0-5% | 2.3378 | 1.7925 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-09-01 | 5-100% | 2.9233 | 1.3444 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-09-01 | 0-5% | 2.3322 | 1.7925 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-09-01 | 5-100% | 2.9153 | 1.3444 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2019-09-01 | 0-5% | 2.2253 | 1.4025 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-09-01 | 5-100% | 2.5155 | 1.1550 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2019-09-01 | 0-5% | 2.2225 | 1.4638 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-09-01 | 5-100% | 2.7781 | 1.0978 | Rocky Mountain Natural Gas LLC |
| 32 | 2019-08-01 | 0-5% | 2.0500 | 1.2920 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-08-01 | 5-100% | 2.3270 | 1.0640 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2019-08-01 | 0-5% | 2.1091 | 1.7138 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-08-01 | 5-100% | 2.6363 | 1.2853 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-08-01 | 0-5% | 2.1035 | 1.7138 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-08-01 | 5-100% | 2.6293 | 1.2853 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2019-08-01 | 0-5% | 2.0000 | 1.4888 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-08-01 | 5-100% | 2.5000 | 1.1166 | Rocky Mountain Natural Gas LLC |
| 22 | 2019-07-01 | 0-5% | 3.0819 | 1.8188 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-07-01 | 5-100% | 3.8524 | 1.3641 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-07-01 | 0-5% | 3.9323 | 1.8188 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-07-01 | 5-100% | 4.9154 | 1.3641 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2019-07-01 | 0-5% | 2.1908 | 1.3983 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-07-01 | 5-100% | 2.4765 | 1.1515 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2019-07-01 | 0-5% | 2.1563 | 1.5113 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-07-01 | 5-100% | 2.6953 | 1.1334 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-06-01 | 5-100% | 2.6656 | .6853 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-06-01 | 0-5% | 1.9900 | .8275 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-06-01 | 5-100% | 2.4891 | .6206 | Rocky Mountain Natural Gas LLC |
| 22 | 2019-06-01 | 0-5% | 1.9816 | 1.5875 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-06-01 | 5-100% | 2.4769 | 1.1906 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2019-06-01 | 0-5% | 1.9430 | 1.2325 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-06-01 | 5-100% | 2.1970 | 1.0150 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2019-06-01 | 0-5% | 1.9760 | 1.5875 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-06-01 | 5-100% | 2.4699 | 1.1906 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2019-05-01 | 0-5% | 2.2943 | 1.4408 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-05-01 | 5-100% | 2.5935 | 1.1865 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2019-05-01 | 0-5% | 2.1728 | 1.8240 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-05-01 | 5-100% | 2.7160 | 1.3680 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-05-01 | 0-5% | 2.1672 | 1.8240 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-05-01 | 5-100% | 2.7090 | 1.3680 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2019-05-01 | 0-5% | 2.1325 | .9138 | Rocky Mountain Natural Gas LLC |
| 58 | 2019-04-01 | 0-5% | 2.0742 | 1.5240 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-04-01 | 5-100% | 2.5928 | 1.1430 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2019-04-01 | 0-5% | 2.0798 | 1.5240 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-04-01 | 5-100% | 2.5998 | 1.1430 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2019-04-01 | 0-5% | 2.2675 | .5763 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-04-01 | 5-100% | 2.8344 | .4322 | Rocky Mountain Natural Gas LLC |
| 32 | 2019-04-01 | 0-5% | 2.6163 | .8840 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-04-01 | 5-100% | 2.9575 | .7280 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2019-03-01 | 0-5% | 5.7475 | 1.6425 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-03-01 | 5-100% | 7.1844 | 1.2319 | Rocky Mountain Natural Gas LLC |
| 32 | 2019-03-01 | 5-100% | 6.4155 | 1.5295 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2019-03-01 | 0-5% | 3.4198 | 3.0210 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-03-01 | 5-100% | 4.2748 | 2.2658 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-03-01 | 0-5% | 3.4142 | 3.0210 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-03-01 | 5-100% | 4.2678 | 2.2658 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2019-03-01 | 0-5% | 5.6753 | 1.8573 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2019-03-01 | 5-100% | 6.4155 | 1.5295 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2019-01-01 | 5-100% | 4.9156 | 1.6819 | Rocky Mountain Natural Gas LLC |
| 61 | 2019-01-01 | 0-5% | 3.9325 | 2.2425 | Rocky Mountain Natural Gas LLC |
| 32 | 2019-01-01 | 0-5% | 3.7030 | 2.1463 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2019-01-01 | 5-100% | 4.1860 | 1.7675 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2019-01-01 | 0-5% | 3.4766 | 2.8063 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2019-01-01 | 5-100% | 4.3457 | 2.1047 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2019-01-01 | 0-5% | 3.4710 | 2.8063 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2019-01-01 | 5-100% | 4.3387 | 2.1047 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2018-12-01 | 0-5% | 4.5038 | 2.5638 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-12-01 | 5-100% | 5.6297 | 1.9228 | Rocky Mountain Natural Gas LLC |
| 32 | 2018-12-01 | 0-5% | 4.8645 | 2.5288 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-12-01 | 5-100% | 5.4990 | 2.0825 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2018-12-01 | 0-5% | 4.0836 | 3.5500 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-12-01 | 5-100% | 5.1044 | 2.6625 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-12-01 | 0-5% | 4.0780 | 3.5500 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-12-01 | 5-100% | 5.0974 | 2.6625 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2018-11-01 | 0-5% | 4.4458 | 3.7190 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-11-01 | 5-100% | 5.5573 | 2.7893 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-11-01 | 0-5% | 4.4402 | 3.7190 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 17 | 2018-11-01 | 5-100% | 5.5503 | 2.7893 | Black Hills Nebraska Gas, Rate Area 5 |
| 32 | 2018-11-01 | 0-5% | 5.0543 | 2.4098 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-11-01 | 5-100% | 5.7135 | 1.9845 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-11-01 | 0-5% | 4.5288 | 2.3213 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-11-01 | 5-100% | 5.6609 | 1.7409 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-10-01 | 0-5% | 3.2438 | 1.6850 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-10-01 | 5-100% | 4.0547 | 1.2638 | Rocky Mountain Natural Gas LLC |
| 22 | 2018-10-01 | 0-5% | 3.2178 | 2.8413 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 17 | 2018-10-01 | 5-100% | 4.0223 | 2.1309 | Black Hills Nebraska Gas, Rate Area 5 |
| 58 | 2018-10-01 | 0-5% | 3.2122 | 2.8413 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-10-01 | 5-100% | 4.0153 | 2.1309 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-10-01 | 0-5% | 3.5478 | 2.1420 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-10-01 | 5-100% | 4.0105 | 1.7640 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-09-01 | 0-5% | 2.6738 | 1.6013 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-09-01 | 5-100% | 3.3422 | 1.2009 | Rocky Mountain Natural Gas LLC |
| 22 | 2018-09-01 | 0-5% | 2.5428 | 2.1050 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-09-01 | 5-100% | 3.1785 | 1.5788 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-09-01 | 0-5% | 2.5372 | 2.1050 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-09-01 | 5-100% | 3.1715 | 1.5788 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-09-01 | 0-5% | 2.5530 | 1.6575 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-09-01 | 5-100% | 2.8860 | 1.3650 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2018-08-01 | 0-5% | 2.7828 | 2.3960 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-08-01 | 5-100% | 3.4785 | 1.7970 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-08-01 | 0-5% | 2.7772 | 2.3960 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-08-01 | 5-100% | 3.4715 | 1.7970 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-08-01 | 0-5% | 2.9555 | 1.9210 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-08-01 | 5-100% | 3.3410 | 1.5820 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-08-01 | 0-5% | 2.6425 | 2.1038 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-08-01 | 5-100% | 3.3031 | 1.5778 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-07-01 | 0-5% | 2.6238 | 2.2013 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-07-01 | 5-100% | 3.2797 | 1.6509 | Rocky Mountain Natural Gas LLC |
| 32 | 2018-07-01 | 0-5% | 2.8290 | 1.9975 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-07-01 | 5-100% | 3.1980 | 1.6450 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2018-07-01 | 0-5% | 2.7303 | 2.3850 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-07-01 | 5-100% | 3.4129 | 1.7888 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-07-01 | 0-5% | 2.7247 | 2.3850 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-07-01 | 5-100% | 3.4059 | 1.7888 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-06-01 | 5-100% | 2.9640 | 1.3160 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-06-01 | 0-5% | 2.4975 | 1.7463 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-06-01 | 5-100% | 3.1219 | 1.3097 | Rocky Mountain Natural Gas LLC |
| 22 | 2018-06-01 | 0-5% | 2.4828 | 2.1540 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-06-01 | 5-100% | 3.1035 | 1.6155 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-06-01 | 0-5% | 2.4772 | 2.1540 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-06-01 | 5-100% | 3.0965 | 1.6155 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-06-01 | 0-5% | 2.6220 | 1.5980 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2018-05-01 | 0-5% | 2.0828 | 1.7425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-05-01 | 5-100% | 2.6035 | 1.3069 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-05-01 | 0-5% | 2.0772 | 1.7425 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-05-01 | 5-100% | 2.5965 | 1.3069 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-05-01 | 0-5% | 2.1160 | 1.4790 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-05-01 | 5-100% | 2.3920 | 1.2180 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-05-01 | 0-5% | 2.4013 | 1.6038 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-05-01 | 5-100% | 3.0016 | 1.2028 | Rocky Mountain Natural Gas LLC |
| 22 | 2018-04-01 | 0-5% | 2.2888 | 1.9620 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-04-01 | 5-100% | 2.8610 | 1.4715 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-04-01 | 0-5% | 2.2832 | 1.9620 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-04-01 | 5-100% | 2.8540 | 1.4715 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2018-04-01 | 0-5% | 2.2525 | 1.6763 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-04-01 | 5-100% | 2.8156 | 1.2572 | Rocky Mountain Natural Gas LLC |
| 32 | 2018-04-01 | 0-5% | 2.3575 | 1.6065 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-04-01 | 5-100% | 2.6650 | 1.3230 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-03-01 | 0-5% | 2.3013 | 1.7825 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-03-01 | 5-100% | 2.8766 | 1.3369 | Rocky Mountain Natural Gas LLC |
| 22 | 2018-03-01 | 0-5% | 2.4628 | 2.1275 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-03-01 | 5-100% | 3.0785 | 2.5956 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-03-01 | 0-5% | 2.4572 | 2.1275 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-03-01 | 5-100% | 3.0715 | 1.5956 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-03-01 | 0-5% | 2.5300 | 1.6830 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-03-01 | 5-100% | 2.8600 | 1.3860 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-02-01 | 0-5% | 2.9950 | 1.8313 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-02-01 | 5-100% | 3.7438 | 1.3734 | Rocky Mountain Natural Gas LLC |
| 22 | 2018-02-01 | 0-5% | 2.6717 | 2.3025 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-02-01 | 5-100% | 3.3396 | 1.7269 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2018-02-01 | 0-5% | 2.6447 | 2.3025 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-02-01 | 5-100% | 3.3059 | 1.7269 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-02-01 | 0-5% | 3.1165 | 1.8360 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2018-02-01 | 5-100% | 3.5230 | 1.5120 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2018-01-01 | 0-5% | 5.2613 | 1.8313 | Rocky Mountain Natural Gas LLC |
| 61 | 2018-01-01 | 5-100% | 6.5766 | 1.3734 | Rocky Mountain Natural Gas LLC |
| 58 | 2018-01-01 | 0-5% | 3.3112 | 2.9200 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2018-01-01 | 5-100% | 4.1390 | 2.1900 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-01-01 | 0-5% | 4.6115 | 2.2015 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2018-01-01 | 5-100% | 5.2130 | 1.8130 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2018-01-01 | 5-100% | 5.2130 | 1.8130 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2018-01-01 | 0-5% | 3.3382 | 2.9200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2018-01-01 | 5-100% | 4.1728 | 2.1900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-12-01 | 5-100% | 3.5396 | 1.8319 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2017-12-01 | 0-5% | 5.2613 | 2.3213 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-12-01 | 5-100% | 6.5766 | 1.7409 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-12-01 | 0-5% | 2.8317 | 2.4425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-12-01 | 0-5% | 2.8047 | 2.4425 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-12-01 | 5-100% | 3.5059 | 1.8319 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-12-01 | 0-5% | 2.8635 | 2.0230 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-12-01 | 5-100% | 3.2370 | 1.6660 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-11-01 | 0-5% | 2.9400 | 2.3525 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-11-01 | 5-100% | 3.6750 | 1.7644 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-11-01 | 0-5% | 3.0442 | 2.6950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-11-01 | 5-100% | 3.8053 | 2.0213 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-11-01 | 0-5% | 3.0172 | 2.6950 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-11-01 | 5-100% | 3.7715 | 2.0213 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-11-01 | 0-5% | 3.3120 | 2.1420 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-11-01 | 5-100% | 3.7440 | 1.7640 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-10-01 | 0-5% | 2.9175 | 2.2713 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-10-01 | 5-100% | 3.6469 | 1.7034 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-10-01 | 0-5% | 2.8562 | 2.5140 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-10-01 | 5-100% | 3.5703 | 1.8855 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-10-01 | 0-5% | 2.8292 | 2.5140 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-10-01 | 5-100% | 3.5365 | 1.8855 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-10-01 | 0-5% | 3.0475 | 2.0740 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-10-01 | 5-100% | 3.4450 | 1.7080 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-09-01 | 0-5% | 2.7175 | 2.2713 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-09-01 | 5-100% | 3.3969 | 1.7034 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-09-01 | 0-5% | 2.9617 | 2.6150 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-09-01 | 5-100% | 3.6684 | 1.9613 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-09-01 | 0-5% | 2.9785 | 2.1165 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-09-01 | 5-100% | 3.3670 | 1.7430 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2017-09-01 | 5-100% | 3.7021 | 1.9613 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-09-01 | 0-5% | 2.9347 | 2.6150 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2017-08-01 | 5-100% | 3.3891 | 1.8244 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-08-01 | 0-5% | 2.8842 | 2.5275 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-08-01 | 5-100% | 3.6053 | 1.8956 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-08-01 | 0-5% | 2.8572 | 2.5275 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-08-01 | 5-100% | 3.5715 | 1.8956 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-08-01 | 0-5% | 2.9785 | 2.1165 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-08-01 | 5-100% | 3.3670 | 1.7460 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-08-01 | 0-5% | 2.7113 | 2.4325 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-07-01 | 0-5% | 2.9382 | 2.5860 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-07-01 | 5-100% | 3.6728 | 1.9395 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-07-01 | 0-5% | 2.9112 | 2.5860 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-07-01 | 5-100% | 3.6390 | 1.9395 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-07-01 | 0-5% | 3.1050 | 2.1505 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-07-01 | 5-100% | 3.5100 | 1.7710 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-07-01 | 0-5% | 2.7363 | 2.4150 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-07-01 | 5-100% | 3.4203 | 1.8113 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-06-01 | 0-5% | 2.6900 | 2.3538 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-06-01 | 5-100% | 3.3625 | 1.7653 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-06-01 | 0-5% | 2.8892 | 2.5425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-06-01 | 5-100% | 3.6115 | 1.9069 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-06-01 | 0-5% | 2.8622 | 2.5425 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-06-01 | 5-100% | 3.5778 | 1.9069 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-06-01 | 0-5% | 2.9785 | 2.1165 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-06-01 | 5-100% | 3.3670 | 1.7430 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2017-05-01 | 0-5% | 3.0662 | 2.7180 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-05-01 | 5-100% | 3.8328 | 2.0385 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-05-01 | 0-5% | 3.0392 | 2.7180 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-05-01 | 5-100% | 3.7990 | 2.0385 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-05-01 | 5-100% | 3.6270 | 1.8480 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-05-01 | 0-5% | 2.8663 | 2.3538 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-05-01 | 5-100% | 3.5828 | 1.7653 | Rocky Mountain Natural Gas LLC |
| 32 | 2017-05-01 | 0-5% | 3.2085 | 2.2440 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2017-04-01 | 0-5% | 3.0517 | 2.6800 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-04-01 | 5-100% | 3.8146 | 2.0100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-04-01 | 0-5% | 3.0247 | 2.6800 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-04-01 | 5-100% | 3.7809 | 2.0100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-04-01 | 0-5% | 3.2315 | 2.2185 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-04-01 | 5-100% | 3.6530 | 1.8270 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-04-01 | 0-5% | 2.8475 | 2.5700 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-04-01 | 5-100% | 3.5594 | 1.9275 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-03-01 | 0-5% | 2.8392 | 2.4950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-03-01 | 5-100% | 3.5490 | 1.8713 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-03-01 | 0-5% | 2.8122 | 2.4950 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-03-01 | 5-100% | 3.5153 | 1.8713 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-03-01 | 0-5% | 2.9440 | 2.0230 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-03-01 | 5-100% | 3.3280 | 1.6660 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-03-01 | 0-5% | 2.8475 | 2.3500 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-03-01 | 5-100% | 3.5594 | 1.7625 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-02-01 | 0-5% | 2.8800 | 2.2713 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-02-01 | 5-100% | 3.6000 | 1.7034 | Rocky Mountain Natural Gas LLC |
| 22 | 2017-02-01 | 0-5% | 2.9492 | 2.6125 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2017-02-01 | 5-100% | 3.6865 | 1.9594 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2017-02-01 | 0-5% | 2.9222 | 2.6125 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-02-01 | 5-100% | 3.6528 | 1.9594 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2017-02-01 | 0-5% | 3.2430 | 1.9550 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2017-02-01 | 5-100% | 3.2430 | 1.6100 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2017-01-01 | 0-5% | 3.9761 | 3.2020 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 17 | 2017-01-01 | 5-100% | 4.9652 | 2.5350 | Black Hills Nebraska Gas, Rate Area 5 |
| 58 | 2017-01-01 | 0-5% | 3.5272 | 3.2020 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2017-01-01 | 5-100% | 4.4090 | 2.4015 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2017-01-01 | 5-100% | 4.9702 | 2.4015 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2017-01-01 | 0-5% | 3.9675 | 2.6010 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2017-01-01 | 0-5% | 3.6413 | 2.6663 | Rocky Mountain Natural Gas LLC |
| 61 | 2017-01-01 | 5-100% | 4.5516 | 1.9997 | Rocky Mountain Natural Gas LLC |
| 32 | 2017-01-01 | 5-100% | 4.4850 | 2.1420 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-12-01 | 5-100% | 4.6375 | 2.3419 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-12-01 | 0-5% | 4.0590 | 2.6945 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2016-12-01 | 5-100% | 4.5890 | 2.2190 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2016-12-01 | 0-5% | 3.9722 | 3.3800 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2016-12-01 | 5-100% | 4.9652 | 2.5350 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-12-01 | 0-5% | 3.6972 | 3.3800 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2016-12-01 | 5-100% | 4.6215 | 2.5350 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2016-12-01 | 0-5% | 3.7100 | 3.1225 | Rocky Mountain Natural Gas LLC |
| 61 | 2016-11-01 | 0-5% | 3.6413 | 1.7200 | Rocky Mountain Natural Gas LLC |
| 61 | 2016-11-01 | 5-100% | 4.5516 | 1.2900 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-11-01 | 0-5% | 2.9670 | 1.6405 | Black Hills Wyoming Gas, LLC. - Casper |
| 17 | 2016-11-01 | 5-100% | 3.3540 | 1.3510 | Black Hills Nebraska Gas, Rate Area 5 |
| 22 | 2016-11-01 | 5-100% | 5.0750 | 1.6406 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-11-01 | 0-5% | 3.2800 | 2.1875 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2016-11-01 | 5-100% | 4.1000 | 1.6406 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-11-01 | 5-100% | 3.3540 | 1.3510 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2016-11-01 | 0-5% | 4.0600 | 2.1875 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-10-01 | 0-5% | 4.3500 | 2.6600 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-10-01 | 0-5% | 3.2315 | 2.1420 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2016-10-01 | 5-100% | 3.6530 | 1.7640 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-10-01 | 0-5% | 2.9700 | 1.8638 | Rocky Mountain Natural Gas LLC |
| 61 | 2016-10-01 | 5-100% | 3.7125 | 1.3978 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-10-01 | 0-5% | 4.6600 | 2.6600 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2016-10-01 | 5-100% | 5.8250 | 1.9950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-10-01 | 5-100% | 5.4375 | 1.9950 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-09-01 | 0-5% | 3.2430 | 2.1590 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2016-09-01 | 5-100% | 3.6660 | 1.7780 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2016-09-01 | 0-5% | 5.4900 | 2.6500 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2016-09-01 | 5-100% | 6.8625 | 1.9875 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2016-09-01 | 5-100% | 3.6266 | 1.8619 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-09-01 | 0-5% | 4.7400 | 2.6500 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2016-09-01 | 0-5% | 2.9013 | 2.4825 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-09-01 | 5-100% | 5.9250 | 1.9875 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2016-08-01 | 5-100% | 3.3930 | 1.7080 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-08-01 | 0-5% | 2.7888 | 2.3800 | Rocky Mountain Natural Gas LLC |
| 58 | 2016-08-01 | 5-100% | 7.0000 | 1.8800 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2016-08-01 | 0-5% | 4.3900 | 2.5125 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2016-08-01 | 5-100% | 5.4875 | 1.8844 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2016-08-01 | 0-5% | 3.0015 | 2.0740 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-08-01 | 5-100% | 3.4859 | 1.7850 | Rocky Mountain Natural Gas LLC |
| 58 | 2016-08-01 | 0-5% | 4.1274 | 2.5100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2016-07-01 | 0-5% | 4.1300 | 2.5140 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2016-07-01 | 5-100% | 5.4900 | 1.8855 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2016-07-01 | 0-5% | 4.3900 | 2.5140 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-07-01 | 5-100% | 5.1900 | 1.8855 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-07-01 | 0-5% | 2.9440 | 2.0485 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-07-01 | 5-100% | 3.3734 | 1.7353 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-07-01 | 5-100% | 3.3280 | 1.6870 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-07-01 | 0-5% | 2.6988 | 2.3138 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-06-01 | 0-5% | 3.6400 | 2.2075 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2016-06-01 | 5-100% | 3.4469 | 1.4428 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-06-01 | 5-100% | 3.2760 | 1.3930 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2016-06-01 | 0-5% | 5.0600 | 2.2075 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2016-06-01 | 0-5% | 2.7575 | 1.9238 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-06-01 | 5-100% | 4.5500 | 1.6556 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-06-01 | 5-100% | 6.3250 | 1.6556 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-06-01 | 0-5% | 2.8980 | 1.6915 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-05-01 | 0-5% | 2.1200 | 1.5438 | Rocky Mountain Natural Gas LLC |
| 61 | 2016-05-01 | 5-100% | 2.6500 | 1.1578 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-05-01 | 5-100% | 5.8125 | 1.2975 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2016-05-01 | 5-100% | 2.3790 | 1.1550 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2016-05-01 | 0-5% | 4.6500 | 1.7300 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-05-01 | 0-5% | 3.3000 | 1.7300 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2016-05-01 | 5-100% | 4.1250 | 1.2975 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-05-01 | 0-5% | 2.1045 | 1.4025 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2016-04-01 | 0-5% | 1.9205 | 1.3600 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2016-04-01 | 5-100% | 5.2375 | 1.2206 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2016-04-01 | 0-5% | 2.6800 | 1.6275 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2016-04-01 | 0-5% | 4.1900 | 1.6200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2016-04-01 | 5-100% | 2.3422 | 1.1325 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-04-01 | 5-100% | 2.1710 | 1.1200 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2016-04-01 | 5-100% | 3.3500 | 1.2206 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2016-04-01 | 0-5% | 1.8738 | 1.5100 | Rocky Mountain Natural Gas LLC |
| 58 | 2016-03-01 | 5-100% | 2.6375 | 1.0931 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-03-01 | 0-5% | 1.8285 | 1.1475 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-03-01 | 5-100% | 2.1344 | .9450 | Rocky Mountain Natural Gas LLC |
| 58 | 2016-03-01 | 0-5% | 2.1100 | 1.4575 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2016-03-01 | 5-100% | 4.1500 | 1.0931 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2016-03-01 | 5-100% | 2.0670 | .9450 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2016-03-01 | 0-5% | 3.3200 | 1.4575 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2016-03-01 | 0-5% | 1.7075 | 1.2600 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-02-01 | 5-100% | 2.5740 | 1.0640 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-02-01 | 5-100% | 2.7297 | .9450 | Rocky Mountain Natural Gas LLC |
| 61 | 2016-02-01 | 0-5% | 2.1838 | 1.2600 | Rocky Mountain Natural Gas LLC |
| 32 | 2016-02-01 | 0-5% | 2.2770 | 1.2920 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-01-01 | 5-100% | 3.1266 | 1.4316 | Rocky Mountain Natural Gas LLC |
| 58 | 2016-01-01 | 5-100% | 3.2000 | 1.6106 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2016-01-01 | 0-5% | 2.5600 | 2.1475 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2016-01-01 | 0-5% | 2.7370 | 1.7000 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2016-01-01 | 0-5% | 2.5013 | 1.9088 | Rocky Mountain Natural Gas LLC |
| 22 | 2016-01-01 | 0-5% | 2.9400 | 2.1475 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2016-01-01 | 5-100% | 3.6750 | 1.6106 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2016-01-01 | 5-100% | 3.0940 | 1.4000 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2015-12-01 | 0-5% | 2.8438 | 1.6463 | Rocky Mountain Natural Gas LLC |
| 58 | 2015-12-01 | 5-100% | 3.8660 | 1.4670 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2015-12-01 | 0-5% | 3.0930 | 1.9560 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2015-12-01 | 5-100% | 3.9900 | 1.4670 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-12-01 | 5-100% | 3.5547 | 1.2347 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-12-01 | 0-5% | 3.1920 | 1.9560 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2015-12-01 | 5-100% | 3.2500 | 1.1690 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2015-12-01 | 0-5% | 2.8750 | 1.4195 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2015-11-01 | 5-100% | 2.7641 | 1.3491 | Rocky Mountain Natural Gas LLC |
| 61 | 2015-11-01 | 0-5% | 2.2113 | 1.7988 | Rocky Mountain Natural Gas LLC |
| 32 | 2015-11-01 | 0-5% | 2.4265 | 1.6320 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-11-01 | 5-100% | 3.3375 | 1.5169 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-11-01 | 5-100% | 2.7430 | 1.3440 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-11-01 | 5-100% | 3.8875 | 1.5169 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-11-01 | 0-5% | 2.6700 | 2.0225 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2015-11-01 | 0-5% | 3.1100 | 2.0225 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-10-01 | 0-5% | 2.3550 | 1.8075 | Rocky Mountain Natural Gas LLC |
| 58 | 2015-10-01 | 5-100% | 5.0875 | 2.1480 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2015-10-01 | 5-100% | 2.9438 | 1.3556 | Rocky Mountain Natural Gas LLC |
| 58 | 2015-10-01 | 0-5% | 4.0700 | 2.1480 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2015-10-01 | 0-5% | 4.6000 | 2.1480 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2015-10-01 | 5-100% | 5.7500 | 1.6110 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2015-10-01 | 0-5% | 2.5875 | 1.7170 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2015-10-01 | 5-100% | 2.9250 | 1.4140 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2015-09-01 | 0-5% | 2.9325 | 2.0995 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-09-01 | 5-100% | 7.1250 | 1.8825 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-09-01 | 5-100% | 3.3130 | 1.7290 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-09-01 | 0-5% | 4.6100 | 2.5100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-09-01 | 0-5% | 2.6275 | 2.4213 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-09-01 | 5-100% | 5.7625 | 1.8825 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-09-01 | 0-5% | 5.7000 | 2.5100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2015-09-01 | 5-100% | 3.2844 | 1.8159 | Rocky Mountain Natural Gas LLC |
| 61 | 2015-08-01 | 5-100% | 3.4938 | 1.8075 | Rocky Mountain Natural Gas LLC |
| 61 | 2015-08-01 | 0-5% | 2.7950 | 2.4100 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-08-01 | 0-5 | 4.7900 | 2.6000 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-08-01 | 0-5% | 11.6400 | 2.6000 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2015-08-01 | 5-100% | 14.5500 | 1.9500 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-08-01 | 0-5% | 3.1395 | 2.0825 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-08-01 | 5-100% | 5.9875 | 1.9500 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2015-08-01 | 5-100% | 3.5490 | 1.7150 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2015-07-01 | 5-100% | 3.5266 | 1.8103 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-07-01 | 5-100% | 5.4625 | 1.9781 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-07-01 | 0-5% | 2.8213 | 2.4138 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-07-01 | 0-5 | 4.3700 | 2.6375 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-07-01 | 5-100% | 7.3625 | 1.9781 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-07-01 | 0-5% | 3.1510 | 2.1080 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-07-01 | 0-5% | 5.8900 | 2.6375 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-07-01 | 5-100% | 3.5620 | 1.7360 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2015-06-01 | 5-100% | 3.4450 | 1.6170 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-06-01 | 5-100% | 3.5771 | 1.9283 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-06-01 | 5-100% | 3.5771 | 1.9283 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-06-01 | 0-5% | 3.0475 | 1.9635 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-06-01 | 0-5% | 2.8347 | 2.5250 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2015-06-01 | 0-5% | 2.7425 | 2.2188 | Rocky Mountain Natural Gas LLC |
| 61 | 2015-06-01 | 5-100% | 3.4281 | 1.6641 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-06-01 | 0-5% | 2.8617 | 2.5710 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-05-01 | 0-5% | 2.8897 | 2.2580 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2015-05-01 | 0-5% | 2.9167 | 2.2450 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2015-05-01 | 0-5% | 3.1165 | 2.0910 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2015-05-01 | 0-5% | 2.8263 | 2.3388 | Rocky Mountain Natural Gas LLC |
| 58 | 2015-05-01 | 5-100% | 3.6121 | 1.6935 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-05-01 | 5-100% | 3.5230 | 1.7220 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2015-05-01 | 5-100% | 3.5328 | 1.7541 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-05-01 | 5-100% | 3.6459 | 1.6838 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-04-01 | 0-5% | 2.3688 | 2.1825 | Rocky Mountain Natural Gas LLC |
| 61 | 2015-04-01 | 5-100% | 2.9609 | 1.6369 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-04-01 | 5-100% | 3.2396 | 1.6781 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2015-04-01 | 0-5% | 2.5917 | 2.2375 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-04-01 | 0-5% | 2.5647 | 2.2375 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-04-01 | 5-100% | 2.9640 | 1.5400 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-04-01 | 5-100% | 3.2059 | 1.6781 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-04-01 | 0-5% | 2.6220 | 1.8700 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-03-01 | 5-100% | 3.3778 | 1.7310 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-03-01 | 0-5% | 3.0360 | 1.9465 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-03-01 | 5-100% | 3.4115 | 1.6875 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-03-01 | 5-100% | 3.5445 | 1.6500 | Rocky Mountain Natural Gas LLC |
| 32 | 2015-03-01 | 5-100% | 3.4320 | 1.6030 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2015-03-01 | 0-5% | 2.8356 | 2.2000 | Rocky Mountain Natural Gas LLC |
| 58 | 2015-03-01 | 0-5% | 2.7022 | 2.3080 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2015-03-01 | 0-5% | 2.7292 | 2.2500 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2015-02-01 | 5 - 100% | 3.5559 | 1.8656 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2015-02-01 | 0 - 5% | 3.3810 | 1.8870 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-02-01 | 0 - 5% | 2.8717 | 2.4875 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2015-02-01 | 0 - 100% | 3.8220 | 1.5540 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2015-02-01 | 0 - 5% | 2.8447 | 2.4875 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2015-02-01 | 5 - 100% | 3.7438 | 1.5741 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-02-01 | 5 - 100% | 3.5896 | 1.8656 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-02-01 | 0 - 5% | 2.9950 | 2.0988 | Rocky Mountain Natural Gas LLC |
| 61 | 2015-01-01 | 5-100% | 3.9953 | 1.9022 | Rocky Mountain Natural Gas LLC |
| 22 | 2015-01-01 | 0-5% | 4.0107 | 2.7960 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2015-01-01 | 0-5% | 3.5765 | 2.1845 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2015-01-01 | 5-100% | 4.0430 | 1.7990 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2015-01-01 | 5-100% | 5.0134 | 2.0970 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2015-01-01 | 0-5% | 3.1963 | 2.5363 | Rocky Mountain Natural Gas LLC |
| 61 | 2014-12-01 | 0-5% | 4.2338 | 2.7175 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-12-01 | 0-5% | 5.0797 | 3.2950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2014-12-01 | 5-100% | 4.6540 | 1.9740 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2014-12-01 | 5-100% | 5.3722 | 2.4713 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2014-12-01 | 5-100% | 5.2922 | 2.0381 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-12-01 | 5-100% | 6.3496 | 2.4713 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-12-01 | 0-5% | 4.2978 | 3.2950 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-12-01 | 0-5% | 4.1170 | 2.3970 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-11-01 | 5-100% | 6.3766 | 3.0281 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2014-11-01 | 0-5% | 5.1175 | 2.9665 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2014-11-01 | 0-5% | 4.4553 | 4.0375 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2014-11-01 | 0-5% | 4.5600 | 3.3225 | Rocky Mountain Natural Gas LLC |
| 58 | 2014-11-01 | 5-100% | 5.5691 | 3.0281 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-11-01 | 5-100% | 5.7850 | 2.4430 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-11-01 | 5-100% | 5.7000 | 2.4919 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-11-01 | 0-5% | 5.1013 | 4.0375 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2014-10-01 | 0-5% | 4.3585 | 2.8900 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-10-01 | 0-5% | 3.8925 | 3.2563 | Rocky Mountain Natural Gas LLC |
| 58 | 2014-10-01 | 0-5% | 5.1874 | 3.5720 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-10-01 | 5-100% | 4.9270 | 2.3800 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-10-01 | 5-100% | 4.8656 | 2.4422 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-10-01 | 0-5% | 5.4310 | 3.5720 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2014-10-01 | 5-100% | 6.7887 | 2.6790 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-10-01 | 5-100% | 6.4843 | 2.6790 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2014-09-01 | 5-100% | 6.7143 | 2.7990 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2014-09-01 | 0-5% | 4.3585 | 3.1280 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2014-09-01 | 5-100% | 4.9270 | 2.5760 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-09-01 | 0-5% | 5.3714 | 3.7320 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-09-01 | 5-100% | 8.3075 | 2.7990 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2014-09-01 | 0-5% | 6.6460 | 3.7320 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2014-08-01 | 5-100% | 8.9329 | 2.8050 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2014-08-01 | 0-5% | 5.3594 | 3.7400 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2014-08-01 | 5-100% | 4.8578 | 2.7684 | Rocky Mountain Natural Gas LLC |
| 58 | 2014-08-01 | 0-5% | 7.1463 | 3.7400 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-08-01 | 5-100% | 4.9400 | 2.5760 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2014-08-01 | 0-5% | 4.3700 | 3.1280 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-08-01 | 5-100% | 6.6993 | 2.8050 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2014-08-01 | 0-5% | 3.8863 | 3.6913 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-07-01 | 0-5% | 6.0615 | 3.9040 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2014-07-01 | 5-100% | 7.5769 | 2.9280 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2014-07-01 | 5-100% | 5.4100 | 2.7500 | Rocky Mountain Natural Gas LLC |
| 58 | 2014-07-01 | 5-100% | 8.9705 | 2.9280 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-07-01 | 0-5% | 4.7725 | 3.1280 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2014-07-01 | 0-5% | 7.1764 | 3.9040 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2014-07-01 | 0-5% | 4.3275 | 3.6613 | Rocky Mountain Natural Gas LLC |
| 32 | 2014-07-01 | 5-100% | 5.3950 | 2.5760 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-06-01 | 5-100% | 5.7094 | 3.1472 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-06-01 | 0-5% | 5.9732 | 4.3950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-06-01 | 5-100% | 9.1531 | 3.2963 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-06-01 | 5-100% | 5.7850 | 2.9960 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2014-06-01 | 0-5% | 7.3224 | 4.3950 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-06-01 | 0-5% | 5.1175 | 3.6380 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-06-01 | 0-5% | 4.5675 | 4.1963 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-06-01 | 5-100% | 7.4664 | 3.2963 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2014-05-01 | 5-100% | 6.1195 | 3.2565 | Rocky Mountain Natural Gas LLC |
| 32 | 2014-05-01 | 0-5% | 5.2210 | 3.5445 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-05-01 | 5-100% | 8.0744 | 3.2565 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-05-01 | 0-5% | 6.0267 | 4.3420 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2014-05-01 | 5-100% | 7.5334 | 3.2565 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-05-01 | 5-100% | 5.9020 | 2.9190 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-05-01 | 0-5% | 4.8956 | 4.3420 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-05-01 | 0-5% | 6.4595 | 4.3420 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2014-04-01 | 0-5% | 5.2210 | 3.6635 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-04-01 | 0-5% | 5.4153 | 4.4100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2014-04-01 | 5-100% | 6.1707 | 3.3100 | Rocky Mountain Natural Gas LLC |
| 58 | 2014-04-01 | 5-100% | 6.7946 | 3.3075 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2014-04-01 | 0-5% | 5.4357 | 4.4100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-04-01 | 5-100% | 5.9020 | 3.0170 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-04-01 | 0-5% | 4.9366 | 4.4100 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-04-01 | 5-100% | 6.7691 | 3.3075 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-03-01 | 0-5% | 6.4045 | 4.7400 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-03-01 | 5-100% | 7.8910 | 3.0590 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-03-01 | 5-100% | 7.0955 | 3.5550 | Rocky Mountain Natural Gas LLC |
| 58 | 2014-03-01 | 5-100% | 8.0056 | 3.5550 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-03-01 | 0-5% | 6.9805 | 3.7145 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-03-01 | 5-100% | 7.1772 | 3.5550 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2014-03-01 | 0-5% | 5.6764 | 4.7400 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-03-01 | 0-5% | 5.7418 | 4.7400 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-02-01 | 5-100% | 9.2778 | 5.0531 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2014-02-01 | 0-5% | 7.4492 | 6.4829 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2014-02-01 | 0-5% | 12.8800 | 4.6240 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2014-02-01 | 5-100% | 9.3115 | 4.8622 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-02-01 | 0-5% | 7.4222 | 6.7375 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2014-02-01 | 0-5% | 7.1150 | 6.1226 | Rocky Mountain Natural Gas LLC |
| 61 | 2014-02-01 | 5-100 | 8.8938 | 4.5920 | Rocky Mountain Natural Gas LLC |
| 32 | 2014-02-01 | 5-100% | 14.5600 | 3.8080 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-01-01 | 5-100% | 5.7963 | 3.3960 | Rocky Mountain Natural Gas LLC |
| 22 | 2014-01-01 | 0-5% | 5.0800 | 4.5280 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2014-01-01 | 5-100% | 6.3500 | 3.3960 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2014-01-01 | 0-5% | 4.9412 | 4.5280 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2014-01-01 | 5-100% | 6.1765 | 3.3960 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2014-01-01 | 0-5% | 5.8535 | 3.6890 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2014-01-01 | 0-5% | 4.6370 | 4.5280 | Rocky Mountain Natural Gas LLC |
| 32 | 2014-01-01 | 5-100% | 6.6170 | 3.0380 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2013-12-01 | 0-5% | 5.7615 | 3.5955 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2013-12-01 | 5-100% | 6.5130 | 2.9610 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-12-01 | 0-5% | 4.8272 | 4.3925 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2013-12-01 | 5-100% | 6.0340 | 3.2944 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-12-01 | 0-5% | 4.5200 | 4.3925 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-12-01 | 0-5% | 4.8542 | 4.3925 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-12-01 | 5-100% | 5.6500 | 3.2944 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-12-01 | 5-100% | 6.0678 | 3.2944 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2013-11-01 | 0-5% | 4.5900 | 3.5000 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2013-11-01 | 0-5% | 4.3240 | 2.8390 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2013-11-01 | 5-100% | 4.8150 | 2.6250 | Rocky Mountain Natural Gas LLC |
| 61 | 2013-11-01 | 0-5% | 3.8520 | 3.5000 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-11-01 | 5-100 % | 5.7375 | 2.6250 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-11-01 | 5-100% | 5.2375 | 2.6250 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-11-01 | 5-100% | 4.8880 | 2.3380 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-11-01 | 0-5% | 4.1900 | 3.5000 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-10-01 | 5-100% | 4.8620 | 2.3800 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2013-10-01 | 0-5% | 4.3010 | 2.8900 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-10-01 | 5-100% | 4.8620 | 2.3800 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2013-10-01 | 0-5% | 4.9100 | 3.5425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-10-01 | 5-100% | 5.6875 | 2.6569 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-10-01 | 0-5% | 3.5800 | 2.9380 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-10-01 | 0-5% | 4.5500 | 3.5425 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-10-01 | 5-100% | 4.4750 | 2.2035 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-09-01 | 0-5% | 6.7183 | 3.4175 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-09-01 | 0-5% | 3.6832 | 3.4175 | Rocky Mountain Natural Gas LLC |
| 32 | 2013-09-01 | 0-5% | 4.0825 | 2.7965 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-09-01 | 0-5% | 5.4459 | 3.4175 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-09-01 | 5-100% | 4.6040 | 2.5631 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-09-01 | 5-100% | 6.8073 | 2.5631 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-09-01 | 5-100% | 8.3979 | 2.5631 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-09-01 | 5-100% | 4.6150 | 2.3030 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2013-08-01 | 5-100% | 4.1372 | 2.4225 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-08-01 | 0-5% | 3.5917 | 3.2300 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-08-01 | 0-5% | 6.5343 | 3.2300 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2013-08-01 | 5-100% | 4.4896 | 2.4225 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2013-08-01 | 0-5% | 3.9330 | 2.6265 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-08-01 | 5-100% | 8.1679 | 2.4225 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-08-01 | 0-5% | 3.3089 | 3.2300 | Rocky Mountain Natural Gas LLC |
| 32 | 2013-08-01 | 5-100% | 4.4460 | 2.1630 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-07-01 | 5-100% | 4.7553 | 2.5640 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-07-01 | 0-5% | 3.4700 | 3.4231 | Rocky Mountain Natural Gas LLC |
| 32 | 2013-07-01 | 5-100% | 4.5760 | 2.3450 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2013-07-01 | 5-100% | 4.3375 | 2.5673 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-07-01 | 0-5% | 3.8042 | 3.4186 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-07-01 | 0-5% | 7.1704 | 3.4250 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-07-01 | 0-5% | 4.0480 | 2.8475 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-07-01 | 5-100% | 8.9630 | 2.5688 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-06-01 | 0-5% | 4.1530 | 3.5700 | Rocky Mountain Natural Gas LLC |
| 61 | 2013-06-01 | 5-100% | 5.1913 | 2.6775 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-06-01 | 5-100% | 8.4625 | 2.6775 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2013-06-01 | 0-5% | 5.5600 | 3.5700 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2013-06-01 | 5-100% | 4.7970 | 2.4640 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-06-01 | 5-100% | 6.9500 | 2.6750 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-06-01 | 0-5% | 6.7700 | 3.5700 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-06-01 | 0-5% | 4.2435 | 2.9920 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-05-01 | 0-5% | 6.6600 | 3.8460 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-05-01 | 0-5% | 4.4965 | 3.4085 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-05-01 | 5-100% | 8.3250 | 2.8845 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-05-01 | 5-100% | 5.0830 | 2.8070 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2013-05-01 | 0-5% | 4.2010 | 3.8460 | Rocky Mountain Natural Gas LLC |
| 61 | 2013-05-01 | 5-100% | 5.2513 | 2.8845 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-05-01 | 0-5% | 6.1400 | 3.8460 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2013-05-01 | 5-100% | 7.6750 | 2.8845 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-04-01 | 5-100% | 5.2200 | 2.9250 | Rocky Mountain Natural Gas LLC |
| 22 | 2013-04-01 | 5-100% | 5.9625 | 2.9250 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2013-04-01 | 5-100% | 5.2130 | 2.5830 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-04-01 | 0-5% | 4.7700 | 3.9000 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-04-01 | 0-5% | 4.1760 | 3.9000 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-04-01 | 0-5% | 4.6400 | 3.9000 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-04-01 | 0-5% | 4.6115 | 3.1365 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-04-01 | 5-100% | 5.8000 | 2.9250 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2013-03-01 | 0-5% | 4.1900 | 3.7225 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2013-03-01 | 0-5% | 3.8840 | 3.7225 | Rocky Mountain Natural Gas LLC |
| 32 | 2013-03-01 | 0-5% | 4.5310 | 2.9325 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-03-01 | 5-100% | 5.3750 | 2.7919 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2013-03-01 | 0-5% | 4.3000 | 3.7225 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-03-01 | 5-100% | 4.8550 | 2.7919 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-03-01 | 5-100% | 5.2375 | 2.7919 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-03-01 | 5-100% | 5.1220 | 2.4150 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2013-02-01 | 0 - 5% | 3.9675 | 2.7030 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2013-02-01 | 5 - 100% | 4.4850 | 2.2260 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2013-02-01 | 0 - 5% | 3.7000 | 3.3200 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2013-02-01 | 5 - 100% | 5.0500 | 2.4900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-02-01 | 5 - 100% | 4.4488 | 2.4900 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-02-01 | 5 - 100% | 4.6250 | 2.4900 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2013-02-01 | 0 - 5% | 4.0400 | 3.3200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2013-02-01 | 0 - 5% | 3.5590 | 3.3200 | Rocky Mountain Natural Gas LLC |
| 61 | 2013-01-01 | 5 - 100% | 4.3775 | 2.4960 | Rocky Mountain Natural Gas LLC |
| 58 | 2013-01-01 | 0 - 5% | 3.6900 | 3.3280 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2013-01-01 | 0 - 5% | 3.9790 | 2.7030 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2013-01-01 | 0 - 5% | 4.0200 | 3.3280 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2013-01-01 | 5 - 100% | 4.6125 | 2.4960 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2013-01-01 | 5 - 100% | 5.0250 | 2.4960 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2013-01-01 | 5 - 100% | 4.4980 | 2.2260 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2013-01-01 | 0 - 5% | 3.5020 | 3.3280 | Rocky Mountain Natural Gas LLC |
| 32 | 2012-12-01 | 0 - 5% | 3.8180 | 2.7115 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-12-01 | 0 - 5% | 4.2300 | 3.2700 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2012-12-01 | 5 - 100% | 4.8625 | 2.4525 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2012-12-01 | 5 - 100% | 4.3160 | 2.2330 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2012-12-01 | 0 - 5% | 3.8900 | 3.2700 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2012-12-01 | 5 - 100% | 5.2875 | 2.4525 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-12-01 | 5 - 100% | 4.6188 | 2.4525 | Rocky Mountain Natural Gas LLC |
| 61 | 2012-12-01 | 0 - 5% | 3.6950 | 3.2700 | Rocky Mountain Natural Gas LLC |
| 32 | 2012-11-01 | 5 - 100% | 4.6800 | 2.3030 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2012-11-01 | 0 - 5% | 3.7750 | 3.3880 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-11-01 | 0 - 5% | 5.1400 | 3.3880 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2012-11-01 | 0 - 5% | 4.2500 | 3.3880 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2012-11-01 | 5 - 100% | 4.7188 | 2.5410 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-11-01 | 5 - 100% | 6.4250 | 2.5410 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2012-11-01 | 5 - 100% | 5.3125 | 2.5410 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2012-11-01 | 0 - 5% | 4.1400 | 2.7965 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2012-10-01 | 0 - 5% | 3.8985 | 2.6265 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2012-10-01 | 5 - 100% | 4.4070 | 2.1630 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-10-01 | 5 - 100% | 5.5500 | 2.4019 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2012-10-01 | 5 - 100% | 5.1750 | 2.4019 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2012-10-01 | 0 - 5% | 4.4400 | 3.2025 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-10-01 | 5 - 100% | 4.1088 | 2.4019 | Rocky Mountain Natural Gas LLC |
| 58 | 2012-10-01 | 0 - 5% | 4.1400 | 3.2025 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2012-10-01 | 0 - 5% | 3.2870 | 3.2025 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-09-01 | 0 - 5% | 4.6700 | 2.6800 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-09-01 | 5 - 100% | 3.6363 | 2.0100 | Rocky Mountain Natural Gas LLC |
| 58 | 2012-09-01 | 5 - 100% | 7.1625 | 2.0100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2012-09-01 | 0 - 5% | 3.1395 | 2.2610 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-09-01 | 5 - 100% | 5.8375 | 2.0100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2012-09-01 | 0 - 5% | 5.7300 | 2.6800 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2012-09-01 | 5 - 100% | 3.5490 | 1.8620 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2012-09-01 | 0 - 5% | 2.9090 | 2.6800 | Rocky Mountain Natural Gas LLC |
| 32 | 2012-08-01 | 0 - 5% | 3.3810 | 2.1930 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-08-01 | 5 - 100% | 6.2750 | 2.0055 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-08-01 | 5 - 100% | 3.8220 | 1.8060 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2012-08-01 | 0 - 5% | 6.5500 | 2.6740 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2012-08-01 | 0 - 5% | 3.1160 | 2.6740 | Rocky Mountain Natural Gas LLC |
| 58 | 2012-08-01 | 5 - 100% | 8.1875 | 2.0055 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2012-08-01 | 5 - 100% | 3.8950 | 2.0055 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-08-01 | 0 - 5% | 5.0200 | 2.6740 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-07-01 | 5 - 100% | 3.6920 | 1.7990 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2012-07-01 | 5 - 100% | 3.6500 | 1.9706 | Rocky Mountain Natural Gas LLC |
| 32 | 2012-07-01 | 0 - 5% | 3.2660 | 2.1845 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-07-01 | 0 - 5% | 4.7000 | 2.6275 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-07-01 | 0 - 5% | 2.9200 | 2.6275 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-07-01 | 5 - 100% | 5.8750 | 1.9706 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-06-01 | 5 - 100% | 3.3930 | 1.4420 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2012-06-01 | 5 - 100% | 3.3588 | 1.6425 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-06-01 | 5% - 100% | 5.5375 | 1.6425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2012-06-01 | 0 - 5% | 4.4300 | 2.1900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-06-01 | 0 - 5% | 3.0015 | 1.7510 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2012-06-01 | 0 - 5% | 2.6870 | 2.1900 | Rocky Mountain Natural Gas LLC |
| 32 | 2012-05-01 | 0 - 5% | 2.3800 | 1.9900 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2012-05-01 | 5 - 100% | 3.0940 | 1.3900 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-05-01 | 5 - 100% | 6.1500 | 1.6313 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-05-01 | 5 - 100% | 3.0450 | 1.6313 | Rocky Mountain Natural Gas LLC |
| 61 | 2012-05-01 | 0 - 5% | 2.4360 | 2.1750 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-05-01 | 0 - 5% | 4.9200 | 2.1750 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-04-01 | 5% - 100% | 3.1575 | 1.3425 | Rocky Mountain Natural Gas LLC |
| 61 | 2012-04-01 | 0% - 5% | 2.5260 | 1.7900 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-04-01 | 0 - 5% | 4.9500 | 1.7900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-04-01 | 5% - 100% | 2.4050 | 1.2180 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-04-01 | 5 -100% | 6.1875 | 1.3425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-04-01 | 0% - 5% | 1.8500 | 1.7400 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2012-03-01 | 0% - 5% | 2.5645 | 1.5895 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2012-03-01 | 5% - 100% | 2.8990 | 1.3090 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-03-01 | 0% - 5% | 4.0100 | 2.0400 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-03-01 | 0% - 5% | 2.5610 | 2.0400 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-03-01 | 5% - 100% | 5.0125 | 1.5300 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2012-03-01 | 5% - 100% | 3.2013 | 1.5300 | Rocky Mountain Natural Gas LLC |
| 61 | 2012-02-01 | 5% - 100% | 3.3750 | 1.8188 | Rocky Mountain Natural Gas LLC |
| 22 | 2012-02-01 | 5% - 100% | 4.5600 | 1.8100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-02-01 | 5% - 100% | 3.0030 | 1.7360 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-02-01 | 0% - 5% | 3.6500 | 2.4200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-02-01 | 0% - 5% | 2.6565 | 2.1080 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-01-01 | 5% - 100% | 4.7600 | 1.9400 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-01-01 | 0% - 5% | 3.1740 | 1.9900 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2012-01-01 | 0% - 5% | 3.8100 | 2.5900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2012-01-01 | 5% - 100% | 3.5880 | 1.6450 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2012-01-01 | 0% - 5% | 3.1100 | 2.5900 | Rocky Mountain Natural Gas LLC |
| 61 | 2012-01-01 | 5% - 100% | 3.5800 | 1.9400 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-12-01 | 0% - 5% | 3.8985 | 2.4480 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-12-01 | 0% - 5% | 3.6150 | 3.0600 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-12-01 | 5% - 100% | 5.4500 | 2.2950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2011-12-01 | 0% - 5% | 4.3600 | 3.0600 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-12-01 | 5% - 100% | 4.4070 | 2.0160 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-12-01 | 5% - 100% | 4.5188 | 2.2950 | Rocky Mountain Natural Gas LLC |
| 61 | 2011-11-01 | 0% - 5% | 3.7710 | 3.2560 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-11-01 | 5% - 100% | 4.4460 | 2.0650 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-11-01 | 5% - 100% | 6.6125 | 2.4420 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2011-11-01 | 0% - 5% | 5.2900 | 3.2560 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-11-01 | 0% - 5% | 3.9330 | 2.5075 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-11-01 | 5% - 100% | 4.7138 | 2.4420 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-10-01 | 0% - 5% | 4.0135 | 2.7030 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-10-01 | 0% - 5% | 5.2900 | 3.3200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2011-10-01 | 5% - 100% | 4.8625 | 2.4900 | Rocky Mountain Natural Gas LLC |
| 61 | 2011-10-01 | 0% - 5% | 3.8900 | 3.3200 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-10-01 | 5% - 100% | 4.5370 | 2.2260 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-10-01 | 5% - 100% | 6.6125 | 2.4900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-09-01 | 0% - 5% | 4.3240 | 3.0345 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-09-01 | 5% - 100% | 5.5675 | 2.7544 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-09-01 | 5% - 100% | 4.8880 | 2.4990 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-09-01 | 5% - 100% | 7.4250 | 2.7540 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2011-09-01 | 0% - 5% | 4.4540 | 3.6725 | Rocky Mountain Natural Gas LLC |
| 58 | 2011-09-01 | 0% - 5% | 12.8400 | 3.6725 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2011-09-01 | 0% - 5% | 5.9400 | 3.6725 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-09-01 | 5% - 100% | 16.0500 | 2.7540 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2011-08-01 | 0% - 5% | 4.5080 | 3.2300 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-08-01 | 5% - 100% | 5.0150 | 2.8845 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-08-01 | 0% - 5% | 5.9400 | 3.8460 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2011-08-01 | 0% - 5% | 4.0120 | 3.8460 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-08-01 | 5% - 100% | 7.4250 | 2.8845 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-08-01 | 5% - 100% | 5.0960 | 2.6600 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-07-01 | 0% - 5% | 5.6100 | 4.0400 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-07-01 | 5% - 100% | 11.7875 | 3.0300 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2011-07-01 | 0% - 5% | 9.4300 | 4.0400 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2011-07-01 | 5% - 100% | 5.4600 | 2.7930 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-07-01 | 5% - 100% | 7.0100 | 3.0300 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2011-07-01 | 5% - 100% | 5.4963 | 3.0300 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-07-01 | 0% - 5% | 4.8300 | 3.3915 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-07-01 | 0% - 5% | 4.3790 | 4.0400 | Rocky Mountain Natural Gas LLC |
| 61 | 2011-06-01 | 0% - 5% | 4.2200 | 4.0100 | Rocky Mountain Natural Gas LLC |
| 58 | 2011-06-01 | 0% - 5% | 5.6200 | 4.0100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2011-06-01 | 5% - 100% | 7.0200 | 3.0100 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2011-06-01 | 5% - 100% | 5.5100 | 2.7400 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-06-01 | 5% - 100% | 12.3000 | 3.0100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-06-01 | 0% - 5% | 4.2400 | 3.9200 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-06-01 | 5% - 100% | 5.2800 | 3.0100 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-06-01 | 0% - 5% | 9.8400 | 4.0100 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-05-01 | 0% - 5% | 5.3200 | 3.9200 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2011-05-01 | 0% - 5% | 4.2810 | 3.9225 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-05-01 | 5% - 100% | 5.3560 | 2.6180 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-05-01 | 0% - 5% | 4.0200 | 3.9225 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-05-01 | 5% - 100% | 6.6500 | 2.9419 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2011-05-01 | 5% - 100% | 5.3513 | 2.9419 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-05-01 | 5% - 100% | 5.0250 | 2.9419 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-05-01 | 0% - 5% | 4.7380 | 3.1790 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-04-01 | 0% - 5% | 6.8900 | 3.9225 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2011-04-01 | 5% - 100% | 8.6125 | 2.9419 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-04-01 | 0% - 5% | 4.7380 | 3.1790 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-04-01 | 0% - 5% | 4.2810 | 3.9225 | Rocky Mountain Natural Gas LLC |
| 58 | 2011-04-01 | 5% - 100% | 6.3500 | 2.9410 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2011-04-01 | 0% - 5% | 5.0800 | 3.9225 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2011-04-01 | 5% - 100% | 5.3560 | 2.6180 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-04-01 | 5% - 100% | 5.3513 | 2.9419 | Rocky Mountain Natural Gas LLC |
| 61 | 2011-03-01 | 5% - 100% | 4.9425 | 2.8290 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-03-01 | 0% - 5% | 4.8600 | 3.7720 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-03-01 | 0% - 5% | 4.6575 | 3.0685 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-03-01 | 5% - 100% | 6.0750 | 2.8290 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2011-03-01 | 0% - 5% | 3.9540 | 3.7720 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-03-01 | 5% - 100% | 5.2650 | 2.5270 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2011-02-01 | 0% - 5% | 5.5315 | 3.1450 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2011-02-01 | 5% - 100% | 6.3375 | 2.9963 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2011-02-01 | 5% - 100% | 6.2530 | 2.5900 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-02-01 | 5% - 100% | 5.4350 | 2.9963 | Rocky Mountain Natural Gas LLC |
| 58 | 2011-02-01 | 5% - 100% | 5.9250 | 2.9963 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2011-02-01 | 0% - 5% | 4.3480 | 3.9950 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-02-01 | 0% - 5% | 5.0700 | 3.9950 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-02-01 | 0% - 5% | 4.7400 | 3.9950 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2011-01-01 | 5% - 100% | 5.3313 | 2.9970 | Rocky Mountain Natural Gas LLC |
| 32 | 2011-01-01 | 5% - 100% | 5.7850 | 2.8840 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2011-01-01 | 0% - 5% | 4.2650 | 3.9960 | Rocky Mountain Natural Gas LLC |
| 22 | 2011-01-01 | 0% - 5% | 4.6400 | 4.2200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-01-01 | 0% - 5% | 4.7360 | 4.2200 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2011-01-01 | 5% - 100% | 5.8000 | 3.1650 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2011-01-01 | 5% - 100% | 5.9200 | 3.1650 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2011-01-01 | 0% - 5% | 5.1175 | 3.5020 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2010-12-01 | 0% - 5% | 4.5600 | 3.9740 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2010-12-01 | 5% - 100% | 5.7000 | 2.9805 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2010-12-01 | 5% - 100% | 5.3690 | 2.6600 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2010-12-01 | 0% - 5% | 4.1880 | 3.9740 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-12-01 | 0% - 5% | 4.7800 | 3.9740 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-12-01 | 5% - 100% | 5.2350 | 2.9850 | Rocky Mountain Natural Gas LLC |
| 32 | 2010-12-01 | 0% - 5% | 4.7495 | 3.2300 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-12-01 | 5% - 100% | 5.9750 | 2.9805 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2010-10-01 | 0% - 5% | 4.9800 | 3.0775 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-10-01 | 0% - 5% | 3.6360 | 3.0775 | Rocky Mountain Natural Gas LLC |
| 58 | 2010-10-01 | 5% - 100% | 6.6250 | 2.3081 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-10-01 | 5% - 100% | 4.5450 | 2.3081 | Rocky Mountain Natural Gas LLC |
| 58 | 2010-10-01 | 0% - 5% | 5.3000 | 3.0775 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2010-10-01 | 5% - 100% | 4.1730 | 2.1280 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2010-10-01 | 0% - 5% | 3.6915 | 2.5840 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-10-01 | 5% - 100% | 6.2250 | 2.3081 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2010-09-01 | 5% - 100% | 4.6670 | 2.2050 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2010-09-01 | 0% - 5% | 4.1285 | 2.6775 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-09-01 | 0% - 5% | 4.5000 | 3.1980 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-09-01 | 5% - 100% | 4.6088 | 2.3985 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-09-01 | 5% - 100% | 5.6250 | 2.3985 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2010-09-01 | 5% - 100% | 8.4375 | 2.3985 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2010-09-01 | 0% - 5% | 6.7500 | 3.1980 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-09-01 | 0% - 5% | 3.6870 | 3.1980 | Rocky Mountain Natural Gas LLC |
| 32 | 2010-08-01 | 0% - 5% | 4.4505 | 2.4310 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2010-08-01 | 5% - 100% | 5.1513 | 2.4881 | Rocky Mountain Natural Gas LLC |
| 32 | 2010-08-01 | 5% - 100% | 5.0310 | 2.0020 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-08-01 | 5% - 100% | 6.7000 | 2.4881 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-08-01 | 0% - 5% | 4.1210 | 3.3175 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-08-01 | 0% - 5% | 5.3600 | 3.3175 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2010-07-01 | 0% - 5% | 4.8760 | 3.1535 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2010-07-01 | 5% - 100% | 5.5120 | 2.5970 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2010-07-01 | 5% - 100% | 10.1250 | 2.8275 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-07-01 | 5% - 100% | 5.1275 | 2.8275 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-07-01 | 0% - 5% | 5.4600 | 3.7700 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2010-07-01 | 0% - 5% | 8.1000 | 3.7700 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2010-07-01 | 5% - 100% | 6.8250 | 2.8275 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-07-01 | 0% - 5% | 4.1020 | 3.7700 | Rocky Mountain Natural Gas LLC |
| 61 | 2010-06-01 | 5% - 100% | 5.3113 | 2.9955 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-06-01 | 5% - 100% | 6.6875 | 2.9955 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2010-06-01 | 0% - 5% | 4.8760 | 3.3065 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-06-01 | 0% - 5% | 5.3500 | 3.9940 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-06-01 | 0% - 5% | 4.2490 | 3.9940 | Rocky Mountain Natural Gas LLC |
| 32 | 2010-06-01 | 5% - 100% | 5.5120 | 2.7230 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2010-06-01 | 5% - 100% | 8.4000 | 2.9955 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2010-06-01 | 0% - 5% | 6.7200 | 3.9940 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2010-05-01 | 0% - 5% | 4.4275 | 3.0515 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2010-05-01 | 5% - 100% | 5.0050 | 2.5130 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-05-01 | 5% - 100% | 7.5625 | 2.7750 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-05-01 | 0% - 5% | 4.2120 | 3.7000 | Rocky Mountain Natural Gas LLC |
| 58 | 2010-05-01 | 5% - 100% | 7.0125 | 2.7750 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-05-01 | 5% - 100% | 5.2650 | 2.7750 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-05-01 | 0% - 5% | 6.0500 | 3.7000 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2010-05-01 | 0% - 5% | 5.6100 | 3.7000 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2010-03-01 | 0% - 5% | 5.1600 | 3.9900 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2010-03-01 | 5% - 100% | 5.8240 | 2.4360 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2010-03-01 | 5% - 100% | 5.7625 | 2.9925 | Rocky Mountain Natural Gas LLC |
| 61 | 2010-03-01 | 0% - 5% | 4.6100 | 3.9900 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-03-01 | 0% - 5% | 5.3200 | 3.9900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2010-03-01 | 5% - 100% | 6.4500 | 2.9925 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 32 | 2010-03-01 | 0% - 5% | 5.1520 | 2.9580 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-03-01 | 5% - 100% | 6.6500 | 2.9925 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2010-02-01 | 0% - 5% | 6.0950 | 4.0120 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2010-02-01 | 5% - 100% | 7.2625 | 3.7856 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-02-01 | 0% - 5% | 5.4210 | 5.0475 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-02-01 | 0% - 5% | 5.9200 | 5.0475 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2010-02-01 | 5% - 100% | 6.7763 | 3.7856 | Rocky Mountain Natural Gas LLC |
| 32 | 2010-02-01 | 5% - 100% | 6.8900 | 3.3040 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2010-02-01 | 5% - 100% | 7.4000 | 3.7856 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2010-02-01 | 0% - 5% | 5.8100 | 5.0475 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-01-01 | 5% - 100% | 7.2188 | 4.0013 | Rocky Mountain Natural Gas LLC |
| 22 | 2010-01-01 | 5% - 100% | 7.5125 | 4.0013 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2010-01-01 | 0% - 5% | 6.0100 | 5.3350 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 58 | 2010-01-01 | 5% - 100% | 7.5250 | 4.0013 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2010-01-01 | 0% - 5% | 6.0200 | 5.3350 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 61 | 2010-01-01 | 0% - 5% | 5.7750 | 5.3350 | Rocky Mountain Natural Gas LLC |
| 32 | 2010-01-01 | 5% - 100% | 7.4100 | 3.6050 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2010-01-01 | 0% - 5% | 6.5550 | 4.3775 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-11-01 | 5% - 100% | 6.3500 | 2.5294 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-11-01 | 5% - 100% | 5.0310 | 2.1070 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2009-11-01 | 0% - 5% | 4.4505 | 2.5585 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-11-01 | 0% - 5% | 4.2500 | 3.3725 | Rocky Mountain Natural Gas LLC |
| 61 | 2009-11-01 | 5% - 100% | 5.3125 | 2.5294 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-11-01 | 0% - 5% | 5.0800 | 3.3725 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2009-09-01 | 0% - 5% | 2.9030 | 2.7340 | Rocky Mountain Natural Gas LLC |
| 61 | 2009-09-01 | 5% - 100% | 3.6288 | 2.0505 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-09-01 | 0% - 5% | 4.3400 | 2.7340 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-09-01 | 0% - 5% | 3.7950 | 1.7595 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2009-09-01 | 5% - 100% | 4.2900 | 1.4490 | Black Hills Wyoming Gas, LLC. - Casper |
| 58 | 2009-09-01 | 0% - 5% | 5.7100 | 2.7340 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 58 | 2009-09-01 | 5% - 100% | 7.1375 | 2.0505 | Black Hills Colorado Gas, Inc. - Wattenberg and North Central |
| 22 | 2009-09-01 | 5% - 100% | 5.4250 | 2.0505 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-07-01 | 5% - 100% | 4.0950 | 1.7850 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-07-01 | 5% - 100% | 6.0625 | 2.1045 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-07-01 | 0% - 5% | 3.6225 | 2.1675 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-07-01 | 0% - 5% | 3.0900 | 2.8060 | Rocky Mountain Natural Gas LLC |
| 61 | 2009-07-01 | 5% - 100% | 3.8625 | 2.1045 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-07-01 | 0% - 5% | 4.8500 | 2.8060 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2009-06-01 | 0% - 5% | 4.7400 | 2.4625 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2009-06-01 | 0% - 5% | 2.4825 | 2.4625 | Rocky Mountain Natural Gas LLC |
| 32 | 2009-06-01 | 5% - 100% | 3.3540 | 1.5820 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-06-01 | 5% - 100% | 5.9250 | 1.8469 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2009-06-01 | 5% - 100% | 3.1031 | 1.8469 | Rocky Mountain Natural Gas LLC |
| 32 | 2009-06-01 | 0% - 5% | 2.9670 | 1.9210 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-05-01 | 0% - 5% | 2.8230 | 2.7475 | Rocky Mountain Natural Gas LLC |
| 32 | 2009-05-01 | 5% - 100% | 4.0430 | 1.6310 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-05-01 | 0% - 5% | 4.4000 | 2.7475 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-05-01 | 0% - 5% | 3.5765 | 1.9805 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-05-01 | 5% - 100% | 3.5288 | 2.0606 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-05-01 | 5% - 100% | 5.5000 | 2.0606 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2009-04-01 | 0% - 5% | 4.5900 | 2.3960 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2009-04-01 | 0% - 5% | 2.8300 | 2.3960 | Rocky Mountain Natural Gas LLC |
| 61 | 2009-04-01 | 5% - 100% | 3.5375 | 1.7970 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-04-01 | 5% - 100% | 5.7375 | 1.7970 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-04-01 | 0% - 5% | 3.0705 | 1.9295 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2009-04-01 | 5% - 100% | 3.4710 | 1.5890 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2009-03-01 | 0% - 5% | 3.0245 | 1.6310 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-03-01 | 5% - 100% | 6.5125 | 1.8956 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2009-03-01 | 0% - 5% | 5.2100 | 2.5275 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2009-03-01 | 5% - 100% | 3.1969 | 1.2855 | Rocky Mountain Natural Gas LLC |
| 61 | 2009-03-01 | 0% - 5% | 2.5575 | 1.7140 | Rocky Mountain Natural Gas LLC |
| 32 | 2009-03-01 | 5% - 100% | 3.4190 | 1.6310 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-02-01 | 0% - 5% | 4.7400 | 2.9300 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-02-01 | 5% - 100% | 4.2250 | 1.7640 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-02-01 | 5% - 100% | 4.0425 | 2.1975 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-02-01 | 5% - 100% | 5.9250 | 2.1975 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2009-02-01 | 0% - 5% | 3.2340 | 2.9300 | Rocky Mountain Natural Gas LLC |
| 32 | 2009-02-01 | 0% - 5% | 3.7375 | 2.1420 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-01-01 | 0% - 5% | 4.7040 | 3.6840 | Rocky Mountain Natural Gas LLC |
| 22 | 2009-01-01 | 0% - 5% | 5.4600 | 3.6840 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-01-01 | 0% - 5% | 5.0485 | 2.6860 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2009-01-01 | 5% - 100% | 6.8250 | 2.7630 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2009-01-01 | 5% - 100% | 5.7070 | 2.2120 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2009-01-01 | 5% - 100% | 5.8800 | 2.7630 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-12-01 | 0% - 5% | 6.0720 | 3.2045 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2008-12-01 | 5% - 100% | 6.8625 | 3.2850 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2008-12-01 | 5% - 100% | 6.8640 | 2.6390 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-12-01 | 0% - 5% | 4.8030 | 4.3750 | Rocky Mountain Natural Gas LLC |
| 61 | 2008-12-01 | 5% - 100% | 6.0038 | 3.2813 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-12-01 | 0% - 5% | 5.4900 | 4.3800 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2008-11-01 | 0% - 5% | 5.3935 | 3.2300 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2008-11-01 | 0% - 5% | 4.5442 | 4.1400 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-11-01 | 5% - 100% | 5.2625 | 2.3760 | Rocky Mountain Natural Gas LLC |
| 61 | 2008-11-01 | 0% - 5% | 4.2100 | 3.1680 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-11-01 | 5% - 100% | 5.6803 | 3.1050 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2008-11-01 | 5% - 100% | 6.0697 | 2.6600 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-10-01 | 5% - 100% | 4.0500 | 2.2650 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-10-01 | 0% - 5% | 5.1600 | 3.0200 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-10-01 | 0% - 5% | 3.2400 | 3.0200 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-10-01 | 0% - 5% | 4.4160 | 2.0315 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2008-10-01 | 5% - 100% | 4.9920 | 1.6730 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2008-10-01 | 5% - 100% | 6.4500 | 2.2650 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2008-09-01 | 0% - 5% | 4.3200 | 3.3900 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2008-09-01 | 0% - 5% | 5.0830 | 2.3205 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-09-01 | 0% - 5% | 3.6750 | 2.2100 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-09-01 | 5% - 100% | 5.4000 | 2.5425 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2008-09-01 | 5% - 100% | 5.7460 | 1.9110 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-09-01 | 5% - 100% | 4.5938 | 1.6575 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-08-01 | 0% - 5% | 8.6300 | 5.3167 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2008-08-01 | 5% - 100% | 10.7875 | 3.9875 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-08-01 | 0% - 5% | 6.7400 | 5.3167 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-08-01 | 0% - 5% | 6.8080 | 3.8590 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-08-01 | 5% - 100% | 8.4250 | 3.9875 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-08-01 | 5% - 100% | 7.6960 | 3.1780 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-07-01 | 5% - 100% | 11.2100 | 6.1500 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-07-01 | 5% - 100% | 11.8820 | 4.8300 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2008-07-01 | 0% - 5% | 10.5110 | 5.8650 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2008-07-01 | 0% - 5% | 11.0200 | 8.2000 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-07-01 | 0% - 5% | 8.9700 | 8.2000 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-07-01 | 5% - 100% | 13.7750 | 6.1500 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2008-06-01 | 0% - 5% | 10.4400 | 8.1825 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-06-01 | 5% - 100% | 10.5500 | 6.1369 | Rocky Mountain Natural Gas LLC |
| 61 | 2008-06-01 | 0% - 5% | 8.4400 | 8.1825 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-06-01 | 0% - 5% | 10.4420 | 6.4770 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2008-06-01 | 5% - 100% | 13.0500 | 6.1369 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 32 | 2008-06-01 | 5% - 100% | 11.8040 | 5.3340 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2008-05-01 | 0% - 5% | 10.0400 | 7.1100 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2008-05-01 | 5% - 100% | 11.3490 | 5.8520 | Black Hills Wyoming Gas, LLC. - Casper |
| 61 | 2008-05-01 | 5% - 100% | 10.8600 | 6.1800 | Rocky Mountain Natural Gas LLC |
| 32 | 2008-05-01 | 0% - 5% | 10.0395 | 7.1060 | Black Hills Wyoming Gas, LLC. - Casper |
| 32 | 2008-05-01 | 5% - 100% | 11.3500 | 5.8500 | Black Hills Wyoming Gas, LLC. - Casper |
| 22 | 2008-05-01 | 0% - 5% | 9.2400 | 8.2450 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-05-01 | 0% - 5% | 8.6900 | 8.2450 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-05-01 | 5% - 100% | 11.5500 | 6.1838 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 22 | 2008-04-01 | 5% - 100% | 11.2492 | 5.7600 | Black Hills Colorado Gas, Inc. - Ark. Valley |
| 61 | 2008-04-01 | 0% - 5% | 8.7320 | 8.2610 | Rocky Mountain Natural Gas LLC |
| 22 | 2008-04-01 | 0% - 5% | 9.0662 | 7.6806 | Black Hills Colorado Gas, Inc. - Ark. Valley |