| | Derby, CT | Norwalk, CT | United States |
| Rainfall | 50 | 50.4 | 38.1 |
| Snowfall | 33.6 | 29 | 27.8 |
| Precipitation Days | 114.1 | 123.1 | 106.2 |
| Sunny | 205 | 179 | 205 |
| Avg. July High | 83.3 | 83.6 | 85.8 |
| Avg. Jan. Low | 20.4 | 21 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.1 | 7 |
| UV Index | 3.5 | 3.4 | 4.3 |
| Elevation ft. | 69 | 43 | 2443 |