| | Greencastle, PA | Harlem, GA | United States |
| Rainfall | 41.1 | 45.3 | 38.1 |
| Snowfall | 29.3 | 0.4 | 27.8 |
| Precipitation Days | 119.4 | 97.3 | 106.2 |
| Sunny | 197 | 217 | 205 |
| Avg. July High | 85.4 | 91.1 | 85.8 |
| Avg. Jan. Low | 22.4 | 33.4 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.5 | 7 |
| UV Index | 3.9 | 5 | 4.3 |
| Elevation ft. | 584 | 535 | 2443 |