| Durham, NC | Royal Oak, MI | United States |
Rainfall | 45.7 | 33.1 | 38.1 |
Snowfall | 3.7 | 31.9 | 27.8 |
Precipitation Days | 109.3 | 122.9 | 106.2 |
Sunny | 220 | 177 | 205 |
Avg. July High | 89 | 83.4 | 85.8 |
Avg. Jan. Low | 29.6 | 18.4 | 21.7 |
Comfort Index (higher=better) | 7.5 | 6.9 | 7 |
UV Index | 4.6 | 3.2 | 4.3 |
Elevation ft. | 400 | 663 | 2443 |