| St. Charles, IL | South San Francisco, CA | United States |
Rainfall | 38 | 22 | 38 |
Snowfall | 30 | 0 | 28 |
Precipitation | 120 | 68 | 106 |
Sunny | 189 | 259 | 205 |
Avg. July High | 85 | 67 | 86 |
Avg. Jan. Low | 15 | 45 | 22 |
Comfort Index (higher=better) | 6.9 | 8.4 | 7 |
UV Index | 3.5 | 4.9 | 4.3 |
Elevation | 732 | 16 | 2443 |