| | Downingtown, PA | Clayton, NC | United States |
| Rainfall | 48.9 | 46.5 | 38.1 |
| Snowfall | 28.5 | 2.4 | 27.8 |
| Precipitation Days | 124.9 | 103.7 | 106.2 |
| Sunny | 205 | 219 | 205 |
| Avg. July High | 84.9 | 89.1 | 85.8 |
| Avg. Jan. Low | 20.4 | 29.6 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.5 | 7 |
| UV Index | 4 | 4.6 | 4.3 |
| Elevation ft. | 239 | 341 | 2443 |