| Lake Forest, IL | Ashburn, VA | United States |
Rainfall | 35 | 42 | 38 |
Snowfall | 38 | 22 | 28 |
Precipitation | 121 | 116 | 106 |
Sunny | 190 | 197 | 205 |
Avg. July High | 82 | 87 | 86 |
Avg. Jan. Low | 16 | 23 | 22 |
Comfort Index (higher=better) | 6.9 | 7.2 | 7 |
UV Index | 3.7 | 4 | 4.3 |
Elevation | 686 | 295 | 2443 |