| Decatur, IL | St. Charles, MO | United States |
Rainfall | 39.5 | 42.2 | 38.1 |
Snowfall | 13 | 14.2 | 27.8 |
Precipitation Days | 104.3 | 105.9 | 106.2 |
Sunny | 199 | 202 | 205 |
Avg. July High | 86.9 | 88.3 | 85.8 |
Avg. Jan. Low | 18.8 | 21.3 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 3.9 | 4.4 | 4.3 |
Elevation ft. | 676 | 492 | 2443 |