| Oak Park, IL | Columbia, MD | United States |
Rainfall | 38.4 | 45 | 38.1 |
Snowfall | 36.3 | 17.3 | 27.8 |
Precipitation Days | 124.3 | 113.9 | 106.2 |
Sunny | 186 | 212 | 205 |
Avg. July High | 84 | 87.9 | 85.8 |
Avg. Jan. Low | 18.7 | 23.9 | 21.7 |
Comfort Index (higher=better) | 7 | 7.3 | 7 |
UV Index | 3.6 | 3.9 | 4.3 |
Elevation ft. | 620 | 404 | 2443 |