| Columbia, MD | Quantico, VA | United States |
Rainfall | 45 | 42.5 | 38.1 |
Snowfall | 17.3 | 12.9 | 27.8 |
Precipitation Days | 113.9 | 118 | 106.2 |
Sunny | 212 | 201 | 205 |
Avg. July High | 87.9 | 87.4 | 85.8 |
Avg. Jan. Low | 23.9 | 25.8 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.4 | 7 |
UV Index | 3.9 | 4 | 4.3 |
Elevation ft. | 404 | 36 | 2443 |