| Casper, WY | Watertown, SD | United States |
Rainfall | 13 | 23.5 | 38.1 |
Snowfall | 70.3 | 38.4 | 27.8 |
Precipitation Days | 79.2 | 87.8 | 106.2 |
Sunny | 220 | 209 | 205 |
Avg. July High | 88.2 | 82.7 | 85.8 |
Avg. Jan. Low | 15.4 | 2.3 | 21.7 |
Comfort Index (higher=better) | 6.8 | 6.6 | 7 |
UV Index | 4.9 | 3.6 | 4.3 |
Elevation ft. | 5105 | 1739 | 2443 |