| | Loudon, TN | Collegeville, PA | United States |
| Rainfall | 53.2 | 45.5 | 38.1 |
| Snowfall | 4.8 | 16.5 | 27.8 |
| Precipitation Days | 121.5 | 110.8 | 106.2 |
| Sunny | 204 | 203 | 205 |
| Avg. July High | 88.5 | 85.5 | 85.8 |
| Avg. Jan. Low | 27.7 | 20.9 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.6 | 4.1 | 4.3 |
| Elevation ft. | 837 | 151 | 2443 |