| Charleston, IL | Billings, MT | United States |
Rainfall | 40 | 14 | 38 |
Snowfall | 15 | 46 | 28 |
Precipitation | 111 | 88 | 106 |
Sunny | 202 | 205 | 205 |
Avg. July High | 86 | 88 | 86 |
Avg. Jan. Low | 20 | 16 | 22 |
Comfort Index (higher=better) | 7.2 | 7 | 7 |
UV Index | 4.1 | 3.8 | 4.3 |
Elevation | 673 | 3123 | 2443 |