| | Dundalk, MD | Mastic Beach, NY | United States |
| Rainfall | 41.7 | 48 | 38.1 |
| Snowfall | 14.8 | 28.5 | 27.8 |
| Precipitation Days | 112.6 | 114 | 106.2 |
| Sunny | 213 | 204 | 205 |
| Avg. July High | 89.5 | 82.2 | 85.8 |
| Avg. Jan. Low | 28.7 | 21.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 4.1 | 3.7 | 4.3 |
| Elevation ft. | 16 | 7 | 2443 |