| Thornton, CO | Grand Rapids, MI | United States |
Rainfall | 16 | 37 | 38 |
Snowfall | 46 | 64 | 28 |
Precipitation | 77 | 129 | 106 |
Sunny | 245 | 158 | 205 |
Avg. July High | 90 | 82 | 86 |
Avg. Jan. Low | 18 | 18 | 22 |
Comfort Index (higher=better) | 7.3 | 6.7 | 7 |
UV Index | 5.1 | 3.4 | 4.3 |
Elevation | 5348 | 640 | 2443 |