| Glenn Dale, MD | Marietta, GA | United States |
Rainfall | 43.4 | 53 | 38.1 |
Snowfall | 14.8 | 1.7 | 27.8 |
Precipitation Days | 108.6 | 111.4 | 106.2 |
Sunny | 205 | 217 | 205 |
Avg. July High | 87.8 | 87.6 | 85.8 |
Avg. Jan. Low | 23.8 | 30.9 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.6 | 7 |
UV Index | 4.3 | 4.9 | 4.3 |
Elevation ft. | 121 | 1129 | 2443 |