| Naperville, IL | Bala Cynwyd, PA | United States |
Rainfall | 38.6 | | 38.1 |
Snowfall | 28.7 | | 27.8 |
Precipitation Days | 120.3 | | 106.2 |
Sunny | 189 | | 205 |
Avg. July High | 83.8 | | 85.8 |
Avg. Jan. Low | 15.1 | | 21.7 |
Comfort Index (higher=better) | 6.9 | | 7 |
UV Index | 3.4 | | 4.3 |
Elevation ft. | 709 | | 2443 |