| | Charles City, IA | Osage, IA | United States |
| Rainfall | 35.3 | 35.6 | 38.1 |
| Snowfall | 35.8 | 37.2 | 27.8 |
| Precipitation Days | 99.6 | 97.4 | 106.2 |
| Sunny | 187 | 187 | 205 |
| Avg. July High | 82.1 | 82.1 | 85.8 |
| Avg. Jan. Low | 7 | 7 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.7 | 7 |
| UV Index | 3.8 | 3.7 | 4.3 |
| Elevation ft. | 1007 | 1181 | 2443 |