| | Hummelstown, PA | Arden, DE | United States |
| Rainfall | 41.8 | 45.7 | 38.1 |
| Snowfall | 25.7 | 14.7 | 27.8 |
| Precipitation Days | 122 | 110.3 | 106.2 |
| Sunny | 194 | 200 | 205 |
| Avg. July High | 85.1 | 86 | 85.8 |
| Avg. Jan. Low | 22.4 | 23.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.3 | 7 |
| UV Index | 4.1 | 4.1 | 4.3 |
| Elevation ft. | 384 | 253 | 2443 |