| | East Renton Highlands, WA | Cottage Lake, WA | United States |
| Rainfall | 52.1 | 44.6 | 38.1 |
| Snowfall | 6.2 | 4.5 | 27.8 |
| Precipitation Days | 172.6 | 172.5 | 106.2 |
| Sunny | 150 | 153 | 205 |
| Avg. July High | 75.5 | 75.2 | 85.8 |
| Avg. Jan. Low | 35.3 | 35.9 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 2.6 | 2.6 | 4.3 |
| Elevation ft. | 518 | 236 | 2443 |