| | Haymarket, VA | Short Hills, NJ | United States |
| Rainfall | 43.3 | 50.5 | 38.1 |
| Snowfall | 20.2 | 25.1 | 27.8 |
| Precipitation Days | 113.3 | 118.5 | 106.2 |
| Sunny | 198 | 205 | 205 |
| Avg. July High | 86.9 | 85.4 | 85.8 |
| Avg. Jan. Low | 23.6 | 19.2 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.1 | 7 |
| UV Index | 4 | 3.7 | 4.3 |
| Elevation ft. | 367 | 269 | 2443 |