| | Duncombe, IA | Ames, IA | United States |
| Rainfall | 35.9 | 35.7 | 38.1 |
| Snowfall | 32.8 | 29.6 | 27.8 |
| Precipitation Days | 99.3 | 108.7 | 106.2 |
| Sunny | 200 | 202 | 205 |
| Avg. July High | 83.3 | 84.1 | 85.8 |
| Avg. Jan. Low | 7.9 | 10.7 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.9 | 7 |
| UV Index | 3.8 | 3.8 | 4.3 |
| Elevation ft. | 1109 | 948 | 2443 |