| | Hagerstown, MD | Chapin, SC | United States |
| Rainfall | 40.7 | 45.1 | 38.1 |
| Snowfall | 24.5 | 1 | 27.8 |
| Precipitation Days | 119.3 | 99.1 | 106.2 |
| Sunny | 198 | 219 | 205 |
| Avg. July High | 86 | 91.6 | 85.8 |
| Avg. Jan. Low | 21.9 | 29.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.4 | 7 |
| UV Index | 3.9 | 4.7 | 4.3 |
| Elevation ft. | 541 | 463 | 2443 |