| Sterling, VA | Groton, CT | United States |
Rainfall | 42 | 47.9 | 38.1 |
Snowfall | 21.5 | 26.6 | 27.8 |
Precipitation Days | 116.2 | 118.6 | 106.2 |
Sunny | 197 | 204 | 205 |
Avg. July High | 85.8 | 79.6 | 85.8 |
Avg. Jan. Low | 23.5 | 21.7 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.1 | 7 |
UV Index | 4 | 3.3 | 4.3 |
Elevation ft. | 292 | 79 | 2443 |