| | Thermopolis, WY | Custer, SD | United States |
| Rainfall | 11.1 | 19.9 | 38.1 |
| Snowfall | 21.8 | 55.3 | 27.8 |
| Precipitation Days | 60.8 | 93 | 106.2 |
| Sunny | 235 | 226 | 205 |
| Avg. July High | 90.4 | 79.5 | 85.8 |
| Avg. Jan. Low | 6.5 | 15.5 | 21.7 |
| Comfort Index (higher=better) | 7 | 6.7 | 7 |
| UV Index | 3.6 | 4.7 | 4.3 |
| Elevation ft. | 4331 | 5315 | 2443 |