| | Udell, IA | Chariton, IA | United States |
| Rainfall | 38.5 | 38.6 | 38.1 |
| Snowfall | 24.1 | 25.1 | 27.8 |
| Precipitation Days | 99.5 | 101.8 | 106.2 |
| Sunny | 198 | 206 | 205 |
| Avg. July High | 85.3 | 85.3 | 85.8 |
| Avg. Jan. Low | 14 | 12.1 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7 | 7 |
| UV Index | 3.9 | 3.7 | 4.3 |
| Elevation ft. | 997 | 1040 | 2443 |