| Upper Marlboro, MD | Gurnee, IL | United States |
Rainfall | 43.8 | 35.8 | 38.1 |
Snowfall | 14.7 | 43.2 | 27.8 |
Precipitation Days | 105.6 | 115.8 | 106.2 |
Sunny | 206 | 190 | 205 |
Avg. July High | 87.4 | 81.4 | 85.8 |
Avg. Jan. Low | 24 | 15.1 | 21.7 |
Comfort Index (higher=better) | 7.4 | 6.8 | 7 |
UV Index | 4.3 | 3.7 | 4.3 |
Elevation ft. | 26 | 676 | 2443 |