| | Irwin, IA | Audubon, IA | United States |
| Rainfall | 33.5 | 34.2 | 38.1 |
| Snowfall | 29.8 | 27.2 | 27.8 |
| Precipitation Days | 97.1 | 96.1 | 106.2 |
| Sunny | 212 | 218 | 205 |
| Avg. July High | 84.2 | 83.9 | 85.8 |
| Avg. Jan. Low | 10.1 | 9.6 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 4 | 3.9 | 4.3 |
| Elevation ft. | 1280 | 1306 | 2443 |