| Round Rock, TX | Ellicott City, MD | United States |
Rainfall | 36 | 45 | 38 |
Snowfall | 0 | 18 | 28 |
Precipitation | 78 | 114 | 106 |
Sunny | 232 | 206 | 205 |
Avg. July High | 95 | 88 | 86 |
Avg. Jan. Low | 38 | 24 | 22 |
Comfort Index (higher=better) | 7.2 | 7.3 | 7 |
UV Index | 6.1 | 3.9 | 4.3 |
Elevation | 735 | 154 | 2443 |