| | North Potomac, MD | Romney, WV | United States |
| Rainfall | 41.9 | 37.1 | 38.1 |
| Snowfall | 19.1 | 29.3 | 27.8 |
| Precipitation Days | 113.8 | 126.4 | 106.2 |
| Sunny | 201 | 178 | 205 |
| Avg. July High | 84.9 | 86.8 | 85.8 |
| Avg. Jan. Low | 24.6 | 20 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.1 | 7 |
| UV Index | 4.1 | 4.2 | 4.3 |
| Elevation ft. | 256 | 820 | 2443 |