| Orland Park, IL | Frederick, MD | United States |
Rainfall | 40 | 43 | 38 |
Snowfall | 30 | 23 | 28 |
Precipitation | 123 | 107 | 106 |
Sunny | 188 | 200 | 205 |
Avg. July High | 84 | 88 | 86 |
Avg. Jan. Low | 16 | 23 | 22 |
Comfort Index (higher=better) | 6.9 | 7.3 | 7 |
UV Index | 3.6 | 4.2 | 4.3 |
Elevation | 705 | 282 | 2443 |