| McLean, VA | Columbia, TN | United States |
Rainfall | 43.8 | 56.7 | 38.1 |
Snowfall | 20.1 | 2.4 | 27.8 |
Precipitation Days | 117 | 116.2 | 106.2 |
Sunny | 203 | 206 | 205 |
Avg. July High | 86 | 89.7 | 85.8 |
Avg. Jan. Low | 24.5 | 26.5 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4 | 4.6 | 4.3 |
Elevation ft. | 285 | 643 | 2443 |