| | Winchester, CT | Greenfield, NH | United States |
| Rainfall | 52.3 | 48.6 | 38.1 |
| Snowfall | 52.6 | 73.3 | 27.8 |
| Precipitation Days | 125.3 | 122.1 | 106.2 |
| Sunny | 198 | 199 | 205 |
| Avg. July High | 80.7 | 80.1 | 85.8 |
| Avg. Jan. Low | 13.6 | 11.7 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.5 | 7 |
| UV Index | 3.4 | 3.2 | 4.3 |
| Elevation ft. | 846 | 840 | 2443 |