| Silver Spring, MD | St. Charles, IL | United States |
Rainfall | 44.3 | 37.7 | 38.1 |
Snowfall | 14.1 | 30.1 | 27.8 |
Precipitation Days | 112.4 | 119.6 | 106.2 |
Sunny | 202 | 189 | 205 |
Avg. July High | 88.2 | 84.5 | 85.8 |
Avg. Jan. Low | 24.9 | 14.7 | 21.7 |
Comfort Index (higher=better) | 7.3 | 6.9 | 7 |
UV Index | 4.1 | 3.5 | 4.3 |
Elevation ft. | 341 | 732 | 2443 |