| | Bel Air South, MD | Elsmere, DE | United States |
| Rainfall | 46.8 | 46.1 | 38.1 |
| Snowfall | 18.2 | 13.1 | 27.8 |
| Precipitation Days | 123.9 | 112.9 | 106.2 |
| Sunny | 208 | 204 | 205 |
| Avg. July High | 88.5 | 86.3 | 85.8 |
| Avg. Jan. Low | 24.7 | 24.5 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.3 | 7 |
| UV Index | 3.9 | 4.1 | 4.3 |
| Elevation ft. | 267 | 98 | 2443 |