| Parkville, MD | Westchester, IL | United States |
Rainfall | 45 | 39 | 38 |
Snowfall | 20 | 34 | 28 |
Precipitation | 122 | 120 | 106 |
Sunny | 212 | 187 | 205 |
Avg. July High | 88 | 84 | 86 |
Avg. Jan. Low | 26 | 17 | 22 |
Comfort Index (higher=better) | 7.3 | 6.9 | 7 |
UV Index | 4.1 | 3.6 | 4.3 |
Elevation | 331 | 636 | 2443 |