| | Robstown, TX | Portland, TX | United States |
| Rainfall | 32.1 | 32.8 | 38.1 |
| Snowfall | 0.2 | 0.2 | 27.8 |
| Precipitation Days | 70.6 | 69.3 | 106.2 |
| Sunny | 221 | 225 | 205 |
| Avg. July High | 93.7 | 92.2 | 85.8 |
| Avg. Jan. Low | 46.6 | 47.9 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.7 | 7 |
| UV Index | 6.1 | 5.8 | 4.3 |
| Elevation ft. | 72 | 43 | 2443 |