| | Trumbull, CT | Prospect, CT | United States |
| Rainfall | 50.1 | 51.7 | 38.1 |
| Snowfall | 34.5 | 44.1 | 27.8 |
| Precipitation Days | 113.8 | 122.7 | 106.2 |
| Sunny | 175 | 204 | 205 |
| Avg. July High | 83.2 | 80.9 | 85.8 |
| Avg. Jan. Low | 20.6 | 12.5 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 6.7 | 7 |
| UV Index | 3.4 | 3.5 | 4.3 |
| Elevation ft. | 226 | 860 | 2443 |