| Napa, CA | Manchester, CA | United States |
Rainfall | 27.3 | 42.3 | 38.1 |
Snowfall | 0 | 0 | 27.8 |
Precipitation Days | 68.6 | 89.5 | 106.2 |
Sunny | 260 | 216 | 205 |
Avg. July High | 82.4 | 81.7 | 85.8 |
Avg. Jan. Low | 37.7 | 38 | 21.7 |
Comfort Index (higher=better) | 8.4 | 7.8 | 7 |
UV Index | 5.4 | 5.2 | 4.3 |
Elevation ft. | 20 | 85 | 2443 |