| | Millsboro, DE | Vail, AZ | United States |
| Rainfall | 45.8 | 14 | 38.1 |
| Snowfall | 10.8 | 0.7 | 27.8 |
| Precipitation Days | 123 | 55 | 106.2 |
| Sunny | 200 | 284 | 205 |
| Avg. July High | 86.8 | 97.9 | 85.8 |
| Avg. Jan. Low | 27.2 | 31.8 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.7 | 7 |
| UV Index | 3.9 | 6.5 | 4.3 |
| Elevation ft. | 23 | 3235 | 2443 |