| Rockford, IL | North Chicago, IL | United States |
Rainfall | 37 | 36 | 38 |
Snowfall | 35 | 38 | 28 |
Precipitation | 116 | 120 | 106 |
Sunny | 188 | 188 | 205 |
Avg. July High | 84 | 81 | 86 |
Avg. Jan. Low | 13 | 16 | 22 |
Comfort Index (higher=better) | 6.8 | 6.8 | 7 |
UV Index | 3.5 | 3.7 | 4.3 |
Elevation | 718 | 653 | 2443 |