| | Severna Park, MD | Lavonia, GA | United States |
| Rainfall | 43.7 | 48.5 | 38.1 |
| Snowfall | 13.8 | 0.7 | 27.8 |
| Precipitation Days | 115.2 | 93 | 106.2 |
| Sunny | 211 | 220 | 205 |
| Avg. July High | 87.5 | 89.3 | 85.8 |
| Avg. Jan. Low | 27.1 | 30.8 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.6 | 7 |
| UV Index | 4 | 4.9 | 4.3 |
| Elevation ft. | 39 | 850 | 2443 |