| Petaluma, CA | Buffalo Grove, IL | United States |
Rainfall | 29.8 | 36.2 | 38.1 |
Snowfall | 0 | 36 | 27.8 |
Precipitation Days | 74.8 | 125.2 | 106.2 |
Sunny | 260 | 187 | 205 |
Avg. July High | 83.7 | 83 | 85.8 |
Avg. Jan. Low | 38.7 | 16.7 | 21.7 |
Comfort Index (higher=better) | 8.4 | 6.9 | 7 |
UV Index | 4.9 | 3.7 | 4.3 |
Elevation ft. | 30 | 679 | 2443 |