| | Glenview, IL | Smithsburg, MD | United States |
| Rainfall | 36.3 | 42 | 38.1 |
| Snowfall | 36 | 29 | 27.8 |
| Precipitation Days | 125.3 | 116.3 | 106.2 |
| Sunny | 186 | 196 | 205 |
| Avg. July High | 83 | 85.7 | 85.8 |
| Avg. Jan. Low | 16.8 | 22.5 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7.3 | 7 |
| UV Index | 3.6 | 3.9 | 4.3 |
| Elevation ft. | 653 | 771 | 2443 |