| | Amityville, NY | Deerfield, IL | United States |
| Rainfall | 44.7 | 36.3 | 38.1 |
| Snowfall | 22.8 | 35.9 | 27.8 |
| Precipitation Days | 124.1 | 125.3 | 106.2 |
| Sunny | 203 | 192 | 205 |
| Avg. July High | 81.7 | 83.1 | 85.8 |
| Avg. Jan. Low | 24.5 | 16.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 6.9 | 7 |
| UV Index | 3.7 | 3.7 | 4.3 |
| Elevation ft. | 20 | 686 | 2443 |