| | Sandwich, IL | Streator, IL | United States |
| Rainfall | 38 | 37.8 | 38.1 |
| Snowfall | 29 | 23.6 | 27.8 |
| Precipitation Days | 116.3 | 111.6 | 106.2 |
| Sunny | 193 | 189 | 205 |
| Avg. July High | 83.2 | 83.8 | 85.8 |
| Avg. Jan. Low | 13.6 | 14.9 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 7 | 7 |
| UV Index | 3.5 | 3.8 | 4.3 |
| Elevation ft. | 666 | 620 | 2443 |