| Crystal Lake, IL | Mercer Island, WA | United States |
Rainfall | 37 | 39 | 38 |
Snowfall | 35 | 5 | 28 |
Precipitation | 114 | 153 | 106 |
Sunny | 186 | 156 | 205 |
Avg. July High | 82 | 76 | 86 |
Avg. Jan. Low | 13 | 37 | 22 |
Comfort Index (higher=better) | 6.8 | 7.5 | 7 |
UV Index | 3.4 | 2.6 | 4.3 |
Elevation | 915 | 335 | 2443 |