| | Mill Valley, CA | New London, CT | United States |
| Rainfall | 40.6 | 50.1 | 38.1 |
| Snowfall | 0 | 25.7 | 27.8 |
| Precipitation Days | 78.1 | 118.1 | 106.2 |
| Sunny | 255 | 203 | 205 |
| Avg. July High | 76.5 | 80.7 | 85.8 |
| Avg. Jan. Low | 42.9 | 21 | 21.7 |
| Comfort Index (higher=better) | 8.4 | 7.1 | 7 |
| UV Index | 5.2 | 3.3 | 4.3 |
| Elevation ft. | 82 | 56 | 2443 |