| Royal Oak, MI | Petaluma, CA | United States |
Rainfall | 33.1 | 29.8 | 38.1 |
Snowfall | 31.9 | 0 | 27.8 |
Precipitation Days | 122.9 | 74.8 | 106.2 |
Sunny | 177 | 260 | 205 |
Avg. July High | 83.4 | 83.7 | 85.8 |
Avg. Jan. Low | 18.4 | 38.7 | 21.7 |
Comfort Index (higher=better) | 6.9 | 8.4 | 7 |
UV Index | 3.2 | 4.9 | 4.3 |
Elevation ft. | 663 | 30 | 2443 |