| West Covina, CA | Boulder, CO | United States |
Rainfall | 17 | 18 | 38 |
Snowfall | 0 | 71 | 28 |
Precipitation | 34 | 88 | 106 |
Sunny | 278 | 245 | 205 |
Avg. July High | 87 | 88 | 86 |
Avg. Jan. Low | 45 | 19 | 22 |
Comfort Index (higher=better) | 9.1 | 7.1 | 7 |
UV Index | 6.2 | 5.8 | 4.3 |
Elevation | 384 | 5328 | 2443 |