| | Downingtown, PA | Exeter, CA | United States |
| Rainfall | 48.9 | 12.7 | 38.1 |
| Snowfall | 28.5 | 0.1 | 27.8 |
| Precipitation Days | 124.9 | 45.3 | 106.2 |
| Sunny | 205 | 270 | 205 |
| Avg. July High | 84.9 | 96.5 | 85.8 |
| Avg. Jan. Low | 20.4 | 37.8 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 8.2 | 7 |
| UV Index | 4 | 5.7 | 4.3 |
| Elevation ft. | 239 | 390 | 2443 |