| Alexandria, VA | Clarksburg, MD | United States |
Rainfall | 43 | 43.5 | 38.1 |
Snowfall | 14.1 | 25.2 | 27.8 |
Precipitation Days | 116.9 | 116.1 | 106.2 |
Sunny | 201 | 198 | 205 |
Avg. July High | 88.4 | 84.9 | 85.8 |
Avg. Jan. Low | 27 | 25.3 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.1 | 4.1 | 4.3 |
Elevation ft. | 36 | 663 | 2443 |