| Waltham, MA | Lake Forest, IL | United States |
Rainfall | 47.7 | 35.4 | 38.1 |
Snowfall | 50.2 | 38 | 27.8 |
Precipitation Days | 130.6 | 120.5 | 106.2 |
Sunny | 197 | 190 | 205 |
Avg. July High | 82.9 | 82.4 | 85.8 |
Avg. Jan. Low | 17.1 | 15.9 | 21.7 |
Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
UV Index | 3.5 | 3.7 | 4.3 |
Elevation ft. | 66 | 686 | 2443 |