| Evanston, IL | Gaithersburg, MD | United States |
Rainfall | 36 | 42 | 38 |
Snowfall | 36 | 21 | 28 |
Precipitation | 125 | 113 | 106 |
Sunny | 193 | 202 | 205 |
Avg. July High | 83 | 85 | 86 |
Avg. Jan. Low | 17 | 25 | 22 |
Comfort Index (higher=better) | 6.9 | 7.3 | 7 |
UV Index | 3.6 | 4.1 | 4.3 |
Elevation | 614 | 502 | 2443 |