| | Mackinac Island, MI | San Luis Obispo, CA | United States |
| Rainfall | 30.2 | 20 | 38.1 |
| Snowfall | 88.9 | 0 | 27.8 |
| Precipitation Days | 131.1 | 50.5 | 106.2 |
| Sunny | 159 | 287 | 205 |
| Avg. July High | 76.3 | 73.7 | 85.8 |
| Avg. Jan. Low | 9.7 | 42.8 | 21.7 |
| Comfort Index (higher=better) | 6.1 | 8.8 | 7 |
| UV Index | 3.1 | 5.3 | 4.3 |
| Elevation ft. | 594 | 233 | 2443 |