| Chicago, IL | Thornton, IL | United States |
Rainfall | 38.2 | 38.5 | 38.1 |
Snowfall | 35.1 | 31.3 | 27.8 |
Precipitation Days | 124.8 | 123.6 | 106.2 |
Sunny | 189 | 190 | 205 |
Avg. July High | 83.9 | 84.2 | 85.8 |
Avg. Jan. Low | 19.2 | 18.2 | 21.7 |
Comfort Index (higher=better) | 7 | 7 | 7 |
UV Index | 3.6 | 3.6 | 4.3 |
Elevation ft. | 587 | 597 | 2443 |