| | Manchester, MD | Littlestown, PA | United States |
| Rainfall | 43.5 | 43 | 38.1 |
| Snowfall | 27 | 26.4 | 27.8 |
| Precipitation Days | 121.6 | 114.6 | 106.2 |
| Sunny | 202 | 197 | 205 |
| Avg. July High | 86.1 | 86.2 | 85.8 |
| Avg. Jan. Low | 21.1 | 20 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 3.8 | 4.2 | 4.3 |
| Elevation ft. | 988 | 633 | 2443 |