| | Merrimack, NH | West Simsbury, CT | United States |
| Rainfall | 46.1 | 52.7 | 38.1 |
| Snowfall | 57.5 | 36.4 | 27.8 |
| Precipitation Days | 125.6 | 119.3 | 106.2 |
| Sunny | 199 | 188 | 205 |
| Avg. July High | 82.5 | 83.4 | 85.8 |
| Avg. Jan. Low | 12.8 | 16.4 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 7 | 7 |
| UV Index | 3.2 | 3.3 | 4.3 |
| Elevation ft. | 154 | 315 | 2443 |