| Richardson, TX | Gaithersburg, MD | United States |
Rainfall | 40.3 | 42.2 | 38.1 |
Snowfall | 1.3 | 21.4 | 27.8 |
Precipitation Days | 79.9 | 112.7 | 106.2 |
Sunny | 230 | 202 | 205 |
Avg. July High | 94.7 | 85.1 | 85.8 |
Avg. Jan. Low | 34.4 | 25 | 21.7 |
Comfort Index (higher=better) | 7.1 | 7.3 | 7 |
UV Index | 5.7 | 4.1 | 4.3 |
Elevation ft. | 630 | 502 | 2443 |