| Castle Rock, CO | Polson, MT | United States |
Rainfall | 19 | 18 | 38 |
Snowfall | 78 | 37 | 28 |
Precipitation | 70 | 108 | 106 |
Sunny | 243 | 153 | 205 |
Avg. July High | 86 | 82 | 86 |
Avg. Jan. Low | 19 | 23 | 22 |
Comfort Index (higher=better) | 7.2 | 6.7 | 7 |
UV Index | 4.8 | 3.1 | 4.3 |
Elevation | 6224 | 2926 | 2443 |