| | Plainfield, IL | LaSalle, IL | United States |
| Rainfall | 39.2 | 36.9 | 38.1 |
| Snowfall | 29.4 | 22.1 | 27.8 |
| Precipitation Days | 124 | 115.1 | 106.2 |
| Sunny | 188 | 191 | 205 |
| Avg. July High | 84 | 85.1 | 85.8 |
| Avg. Jan. Low | 16.1 | 14.2 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7 | 7 |
| UV Index | 3.7 | 3.8 | 4.3 |
| Elevation ft. | 610 | 571 | 2443 |