| | Exton, PA | Westerville, OH | United States |
| Rainfall | 48.7 | 39.5 | 38.1 |
| Snowfall | 28.5 | 22.3 | 27.8 |
| Precipitation Days | 124.1 | 136 | 106.2 |
| Sunny | 200 | 178 | 205 |
| Avg. July High | 84.8 | 84.9 | 85.8 |
| Avg. Jan. Low | 20.2 | 21.5 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.1 | 7 |
| UV Index | 4 | 5.6 | 4.3 |
| Elevation ft. | 315 | 869 | 2443 |