| | Essex, MD | Portsmouth, RI | United States |
| Rainfall | 42.6 | 47.8 | 38.1 |
| Snowfall | 14.9 | 32.1 | 27.8 |
| Precipitation Days | 112.6 | 126.8 | 106.2 |
| Sunny | 210 | 201 | 205 |
| Avg. July High | 88.8 | 80.1 | 85.8 |
| Avg. Jan. Low | 28.6 | 22.8 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.1 | 7 |
| UV Index | 4.1 | 3.6 | 4.3 |
| Elevation ft. | 39 | 141 | 2443 |