| Catonsville, MD | Palatine, IL | United States |
Rainfall | 44.7 | 36.2 | 38.1 |
Snowfall | 18 | 35.7 | 27.8 |
Precipitation Days | 114.1 | 121.8 | 106.2 |
Sunny | 209 | 186 | 205 |
Avg. July High | 87 | 83 | 85.8 |
Avg. Jan. Low | 24.1 | 13.9 | 21.7 |
Comfort Index (higher=better) | 7.3 | 6.8 | 7 |
UV Index | 4.1 | 3.6 | 4.3 |
Elevation ft. | 479 | 741 | 2443 |