| | New Castle, NH | Darien, CT | United States |
| Rainfall | 50.1 | 50.8 | 38.1 |
| Snowfall | 53.2 | 29.9 | 27.8 |
| Precipitation Days | 118.3 | 123.7 | 106.2 |
| Sunny | 200 | 175 | 205 |
| Avg. July High | 81.9 | 83.6 | 85.8 |
| Avg. Jan. Low | 13.8 | 21.1 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 7.1 | 7 |
| UV Index | 3.4 | 3.4 | 4.3 |
| Elevation ft. | 20 | 49 | 2443 |