| | Harwinton, CT | Princeton, MA | United States |
| Rainfall | 53 | 48 | 38 |
| Snowfall | 53 | 71 | 28 |
| Precipitation | 121 | 129 | 106 |
| Sunny | 192 | 197 | 205 |
| Avg. July High | 81 | 79 | 86 |
| Avg. Jan. Low | 13 | 14 | 22 |
| Comfort Index (higher=better) | 6.7 | 6.5 | 7 |
| UV Index | 3.4 | 3.3 | 4.3 |
| Elevation | 823 | 1142 | 2443 |