| | Palmyra, NJ | Clayton, DE | United States |
| Rainfall | 47.9 | 45.4 | 38.1 |
| Snowfall | 12.5 | 17 | 27.8 |
| Precipitation Days | 121.9 | 113.1 | 106.2 |
| Sunny | 204 | 200 | 205 |
| Avg. July High | 87.3 | 87.3 | 85.8 |
| Avg. Jan. Low | 25.2 | 25.8 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 3.7 | 3.8 | 4.3 |
| Elevation ft. | 7 | 46 | 2443 |