| | Portland, TX | Southaven, MS | United States |
| Rainfall | 32.8 | 55.1 | 38.1 |
| Snowfall | 0.2 | 3.3 | 27.8 |
| Precipitation Days | 69.3 | 102.1 | 106.2 |
| Sunny | 225 | 215 | 205 |
| Avg. July High | 92.2 | 91.3 | 85.8 |
| Avg. Jan. Low | 47.9 | 30.4 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 7 | 7 |
| UV Index | 5.8 | 4.8 | 4.3 |
| Elevation ft. | 43 | 312 | 2443 |