| St. Charles, IL | Bettendorf, IA | United States |
Rainfall | 37.7 | 37 | 38.1 |
Snowfall | 30.1 | 28 | 27.8 |
Precipitation Days | 119.6 | 114.8 | 106.2 |
Sunny | 189 | 203 | 205 |
Avg. July High | 84.5 | 85.2 | 85.8 |
Avg. Jan. Low | 14.7 | 15 | 21.7 |
Comfort Index (higher=better) | 6.9 | 7 | 7 |
UV Index | 3.5 | 3.7 | 4.3 |
Elevation ft. | 732 | 568 | 2443 |