| | Arbutus, MD | Laurel, MD | United States |
| Rainfall | 41.7 | 44.5 | 38.1 |
| Snowfall | 17.2 | 13.2 | 27.8 |
| Precipitation Days | 112.8 | 108.2 | 106.2 |
| Sunny | 212 | 207 | 205 |
| Avg. July High | 89.1 | 87.8 | 85.8 |
| Avg. Jan. Low | 28.2 | 23.7 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.1 | 4.3 | 4.3 |
| Elevation ft. | 154 | 167 | 2443 |