| | Harlan, IA | Forest City, IA | United States |
| Rainfall | 34.4 | 34.1 | 38.1 |
| Snowfall | 27.9 | 36.3 | 27.8 |
| Precipitation Days | 95.3 | 105.8 | 106.2 |
| Sunny | 212 | 182 | 205 |
| Avg. July High | 84.1 | 82.3 | 85.8 |
| Avg. Jan. Low | 10.3 | 6.3 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.6 | 7 |
| UV Index | 4 | 3.2 | 4.3 |
| Elevation ft. | 1253 | 1260 | 2443 |