| Rolla, MO | Vandalia, IL | United States |
Rainfall | 46.4 | 40.9 | 38.1 |
Snowfall | 12.8 | 11 | 27.8 |
Precipitation Days | 115.1 | 105.2 | 106.2 |
Sunny | 193 | 200 | 205 |
Avg. July High | 88.1 | 87 | 85.8 |
Avg. Jan. Low | 20.8 | 20.6 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 4.4 | 4.1 | 4.3 |
Elevation ft. | 1119 | 518 | 2443 |