| | Sharptown, MD | Mardela Springs, MD | United States |
| Rainfall | 45.6 | 45.2 | 38.1 |
| Snowfall | 7.1 | 5.9 | 27.8 |
| Precipitation Days | 108.6 | 109.5 | 106.2 |
| Sunny | 209 | 210 | 205 |
| Avg. July High | 88.4 | 88.2 | 85.8 |
| Avg. Jan. Low | 27.7 | 28.1 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 7.5 | 7 |
| UV Index | 3.8 | 3.8 | 4.3 |
| Elevation ft. | 10 | 26 | 2443 |