| | Killingworth, CT | Myersville, MD | United States |
| Rainfall | 52 | 42 | 38.1 |
| Snowfall | 34.7 | 19.8 | 27.8 |
| Precipitation Days | 111.3 | 118.4 | 106.2 |
| Sunny | 193 | 200 | 205 |
| Avg. July High | 84.4 | 85.7 | 85.8 |
| Avg. Jan. Low | 19.2 | 22.6 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.3 | 7 |
| UV Index | 3.4 | 4.2 | 4.3 |
| Elevation ft. | 354 | 676 | 2443 |