| | Waldorf, MD | Warsaw, VA | United States |
| Rainfall | 43.9 | 43.6 | 38.1 |
| Snowfall | 15.6 | 11.3 | 27.8 |
| Precipitation Days | 107.7 | 116 | 106.2 |
| Sunny | 199 | 204 | 205 |
| Avg. July High | 86.5 | 89.3 | 85.8 |
| Avg. Jan. Low | 27 | 28.1 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 7.4 | 7 |
| UV Index | 4.2 | 4.5 | 4.3 |
| Elevation ft. | 210 | 138 | 2443 |