| | Glen Burnie, MD | Clinton, MD | United States |
| Rainfall | 42 | 43.8 | 38.1 |
| Snowfall | 14.1 | 15.3 | 27.8 |
| Precipitation Days | 112.9 | 108.4 | 106.2 |
| Sunny | 211 | 205 | 205 |
| Avg. July High | 89.2 | 87.6 | 85.8 |
| Avg. Jan. Low | 28.1 | 25.5 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.4 | 7 |
| UV Index | 4 | 4.3 | 4.3 |
| Elevation ft. | 56 | 249 | 2443 |