| | Jarrettsville, MD | New London, CT | United States |
| Rainfall | 46.4 | 50.1 | 38.1 |
| Snowfall | 28.5 | 25.7 | 27.8 |
| Precipitation Days | 121.1 | 118.1 | 106.2 |
| Sunny | 208 | 203 | 205 |
| Avg. July High | 86.6 | 80.7 | 85.8 |
| Avg. Jan. Low | 23.5 | 21 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 3.9 | 3.3 | 4.3 |
| Elevation ft. | 646 | 56 | 2443 |