| Lake Oswego, OR | Petaluma, CA | United States |
Rainfall | 42 | 29.8 | 38.1 |
Snowfall | 1.5 | 0 | 27.8 |
Precipitation Days | 147.3 | 74.8 | 106.2 |
Sunny | 141 | 260 | 205 |
Avg. July High | 81.4 | 83.7 | 85.8 |
Avg. Jan. Low | 36.6 | 38.7 | 21.7 |
Comfort Index (higher=better) | 7.6 | 8.4 | 7 |
UV Index | 2.8 | 4.9 | 4.3 |
Elevation ft. | 180 | 30 | 2443 |