| Rock Springs, WY | Rapid City, SD | United States |
Rainfall | 9 | 18 | 38 |
Snowfall | 41 | 38 | 28 |
Precipitation | 72 | 85 | 106 |
Sunny | 238 | 226 | 205 |
Avg. July High | 86 | 85 | 86 |
Avg. Jan. Low | 10 | 14 | 22 |
Comfort Index (higher=better) | 6.8 | 7 | 7 |
UV Index | 4.6 | 4.6 | 4.3 |
Elevation | 6388 | 3241 | 2443 |