| | Hadley, MA | Windsor Locks, CT | United States |
| Rainfall | 46.2 | 44.8 | 38.1 |
| Snowfall | 41.7 | 35.3 | 27.8 |
| Precipitation Days | 117.5 | 117.8 | 106.2 |
| Sunny | 190 | 190 | 205 |
| Avg. July High | 82.1 | 83.8 | 85.8 |
| Avg. Jan. Low | 12.6 | 16.6 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 7 | 7 |
| UV Index | 3.3 | 3.3 | 4.3 |
| Elevation ft. | 128 | 43 | 2443 |