| | Catonsville, MD | Carle Place, NY | United States |
| Rainfall | 44.7 | 46.1 | 38.1 |
| Snowfall | 18 | 22.6 | 27.8 |
| Precipitation Days | 114.1 | 123.9 | 106.2 |
| Sunny | 209 | 172 | 205 |
| Avg. July High | 87 | 82.7 | 85.8 |
| Avg. Jan. Low | 24.1 | 24.6 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.2 | 7 |
| UV Index | 4.1 | 3.6 | 4.3 |
| Elevation ft. | 479 | 108 | 2443 |