| | Silvis, IL | Coal Valley, IL | United States |
| Rainfall | 37 | 37 | 38.1 |
| Snowfall | 27.9 | 28 | 27.8 |
| Precipitation Days | 114.7 | 115 | 106.2 |
| Sunny | 200 | 201 | 205 |
| Avg. July High | 85.2 | 85.3 | 85.8 |
| Avg. Jan. Low | 15 | 15 | 21.7 |
| Comfort Index (higher=better) | 7 | 7 | 7 |
| UV Index | 3.7 | 3.7 | 4.3 |
| Elevation ft. | 594 | 623 | 2443 |