| Silver Spring, MD | Custer, SD | United States |
Rainfall | 44.3 | 19.9 | 38.1 |
Snowfall | 14.1 | 55.3 | 27.8 |
Precipitation Days | 112.4 | 93 | 106.2 |
Sunny | 202 | 226 | 205 |
Avg. July High | 88.2 | 79.5 | 85.8 |
Avg. Jan. Low | 24.9 | 15.5 | 21.7 |
Comfort Index (higher=better) | 7.3 | 6.7 | 7 |
UV Index | 4.1 | 4.7 | 4.3 |
Elevation ft. | 341 | 5315 | 2443 |