| Bethesda, MD | St. Charles, IL | United States |
Rainfall | 42.7 | 37.7 | 38.1 |
Snowfall | 17.2 | 30.1 | 27.8 |
Precipitation Days | 113.9 | 119.6 | 106.2 |
Sunny | 197 | 189 | 205 |
Avg. July High | 86.7 | 84.5 | 85.8 |
Avg. Jan. Low | 25.3 | 14.7 | 21.7 |
Comfort Index (higher=better) | 7.3 | 6.9 | 7 |
UV Index | 4.1 | 3.5 | 4.3 |
Elevation ft. | 318 | 732 | 2443 |