| | Frostburg, MD | Poolesville, MD | United States |
| Rainfall | 41.5 | 42 | 38.1 |
| Snowfall | 64.3 | 20.2 | 27.8 |
| Precipitation Days | 146.9 | 116.1 | 106.2 |
| Sunny | 164 | 203 | 205 |
| Avg. July High | 80 | 86.4 | 85.8 |
| Avg. Jan. Low | 17.9 | 24.6 | 21.7 |
| Comfort Index (higher=better) | 6.6 | 7.3 | 7 |
| UV Index | 3.5 | 4.1 | 4.3 |
| Elevation ft. | 2064 | 410 | 2443 |