| | Middle River, MD | Richmond, VA | United States |
| Rainfall | 42.6 | 44.3 | 38.1 |
| Snowfall | 15 | 11 | 27.8 |
| Precipitation Days | 110.7 | 112 | 106.2 |
| Sunny | 209 | 210 | 205 |
| Avg. July High | 89.2 | 89.7 | 85.8 |
| Avg. Jan. Low | 29 | 27.6 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.3 | 7 |
| UV Index | 4.1 | 4.3 | 4.3 |
| Elevation ft. | 30 | 210 | 2443 |