| | Greenville, MS | Dumas, AR | United States |
| Rainfall | 52.5 | 51.5 | 38.1 |
| Snowfall | 0.4 | 1.1 | 27.8 |
| Precipitation Days | 91.6 | 88.7 | 106.2 |
| Sunny | 211 | 222 | 205 |
| Avg. July High | 91.8 | 91.2 | 85.8 |
| Avg. Jan. Low | 33.2 | 33.3 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.2 | 7 |
| UV Index | 5.7 | 4.8 | 4.3 |
| Elevation ft. | 128 | 167 | 2443 |