| | Jefferson, IA | Gilbert, IA | United States |
| Rainfall | 34.7 | 35.7 | 38.1 |
| Snowfall | 27.1 | 29.9 | 27.8 |
| Precipitation Days | 96.6 | 108.8 | 106.2 |
| Sunny | 204 | 201 | 205 |
| Avg. July High | 84.9 | 84.1 | 85.8 |
| Avg. Jan. Low | 10.1 | 10.7 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 3.9 | 3.8 | 4.3 |
| Elevation ft. | 1066 | 988 | 2443 |