| | Curtis, NE | Poolesville, MD | United States |
| Rainfall | 22 | 42 | 38 |
| Snowfall | 26 | 20 | 28 |
| Precipitation | 65 | 116 | 106 |
| Sunny | 227 | 203 | 205 |
| Avg. July High | 89 | 86 | 86 |
| Avg. Jan. Low | 13 | 25 | 22 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.1 | 4.1 | 4.3 |
| Elevation | 2582 | 410 | 2443 |