| | Radnor, PA | Bel Air North, MD | United States |
| Rainfall | 48.3 | 46.9 | 38.1 |
| Snowfall | 20.5 | 19.6 | 27.8 |
| Precipitation Days | 115.9 | 122.6 | 106.2 |
| Sunny | 204 | 211 | 205 |
| Avg. July High | 86.9 | 88.4 | 85.8 |
| Avg. Jan. Low | 21.3 | 24.8 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.3 | 7 |
| UV Index | 3.8 | 3.9 | 4.3 |
| Elevation ft. | 430 | 396 | 2443 |