| San Bruno, CA | Twentynine Palms, CA | United States |
Rainfall | 26 | 6 | 38 |
Snowfall | 0 | 0 | 28 |
Precipitation | 69 | 21 | 106 |
Sunny | 262 | 285 | 205 |
Avg. July High | 70 | 103 | 86 |
Avg. Jan. Low | 46 | 39 | 22 |
Comfort Index (higher=better) | 8.5 | 7.7 | 7 |
UV Index | 4.9 | 5.7 | 4.3 |
Elevation | 20 | 1988 | 2443 |