| | Grayson, GA | Katy, TX | United States |
| Rainfall | 52.2 | 48 | 38.1 |
| Snowfall | 0.9 | 0 | 27.8 |
| Precipitation Days | 102.1 | 86.8 | 106.2 |
| Sunny | 221 | 208 | 205 |
| Avg. July High | 89.2 | 93.9 | 85.8 |
| Avg. Jan. Low | 30.9 | 42.5 | 21.7 |
| Comfort Index (higher=better) | 7.5 | 6.7 | 7 |
| UV Index | 5 | 6.1 | 4.3 |
| Elevation ft. | 1096 | 138 | 2443 |