| | Oyster Bay, NY | McLean, VA | United States |
| Rainfall | 45.2 | 43.8 | 38.1 |
| Snowfall | 23.3 | 20.1 | 27.8 |
| Precipitation Days | 123.1 | 117 | 106.2 |
| Sunny | 172 | 203 | 205 |
| Avg. July High | 82.9 | 86 | 85.8 |
| Avg. Jan. Low | 24.9 | 24.5 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 3.6 | 4 | 4.3 |
| Elevation ft. | 49 | 285 | 2443 |