| Blue Island, IL | Springfield, IL | United States |
Rainfall | 37.9 | 38.4 | 38.1 |
Snowfall | 31.6 | 17.7 | 27.8 |
Precipitation Days | 124.4 | 103.4 | 106.2 |
Sunny | 189 | 196 | 205 |
Avg. July High | 84.2 | 85.4 | 85.8 |
Avg. Jan. Low | 18.3 | 18.4 | 21.7 |
Comfort Index (higher=better) | 7 | 7.2 | 7 |
UV Index | 3.6 | 3.9 | 4.3 |
Elevation ft. | 640 | 600 | 2443 |