| | Coatesville, PA | Capitol Heights, MD | United States |
| Rainfall | 49 | 43.8 | 38.1 |
| Snowfall | 28.7 | 13.3 | 27.8 |
| Precipitation Days | 125.3 | 109.8 | 106.2 |
| Sunny | 205 | 205 | 205 |
| Avg. July High | 84.8 | 88.2 | 85.8 |
| Avg. Jan. Low | 20.5 | 24.3 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.3 | 7 |
| UV Index | 4 | 4.3 | 4.3 |
| Elevation ft. | 322 | 121 | 2443 |