| Concord, CA | Columbia, CA | United States |
Rainfall | 18.2 | 41.4 | 38.1 |
Snowfall | 0 | 6.1 | 27.8 |
Precipitation Days | 61.2 | 67.4 | 106.2 |
Sunny | 263 | 256 | 205 |
Avg. July High | 87.9 | 91.1 | 85.8 |
Avg. Jan. Low | 38.8 | 31.7 | 21.7 |
Comfort Index (higher=better) | 8.5 | 7.8 | 7 |
UV Index | 5.4 | 5.1 | 4.3 |
Elevation ft. | 75 | 2139 | 2443 |