| Chatham, MA | Wonder Lake, IL | United States |
Rainfall | 47.6 | 35.8 | 38.1 |
Snowfall | 23.2 | 33.7 | 27.8 |
Precipitation Days | 108.5 | 110.5 | 106.2 |
Sunny | 201 | 193 | 205 |
Avg. July High | 77.7 | 83.3 | 85.8 |
Avg. Jan. Low | 23.4 | 12.6 | 21.7 |
Comfort Index (higher=better) | 7.1 | 6.8 | 7 |
UV Index | 3.4 | 3.4 | 4.3 |
Elevation ft. | 13 | 837 | 2443 |