| St. Charles, MO | Lisle, IL | United States |
Rainfall | 42 | 39 | 38 |
Snowfall | 14 | 28 | 28 |
Precipitation | 106 | 118 | 106 |
Sunny | 202 | 191 | 205 |
Avg. July High | 88 | 84 | 86 |
Avg. Jan. Low | 21 | 15 | 22 |
Comfort Index (higher=better) | 7.2 | 6.9 | 7 |
UV Index | 4.4 | 3.4 | 4.3 |
Elevation | 492 | 673 | 2443 |