| | Davis, CA | Clayton, CA | United States |
| Rainfall | 20.6 | 19.2 | 38.1 |
| Snowfall | 0 | 0 | 27.8 |
| Precipitation Days | 65.5 | 64.3 | 106.2 |
| Sunny | 267 | 257 | 205 |
| Avg. July High | 93.9 | 88.1 | 85.8 |
| Avg. Jan. Low | 38.5 | 39.1 | 21.7 |
| Comfort Index (higher=better) | 8.1 | 8.5 | 7 |
| UV Index | 4.8 | 5.4 | 4.3 |
| Elevation ft. | 52 | 394 | 2443 |