| | Castro Valley, CA | Thomaston, GA | United States |
| Rainfall | 21.3 | 48.6 | 38.1 |
| Snowfall | 0 | 0.3 | 27.8 |
| Precipitation Days | 66 | 92.9 | 106.2 |
| Sunny | 261 | 216 | 205 |
| Avg. July High | 75.6 | 90 | 85.8 |
| Avg. Jan. Low | 41.6 | 31.7 | 21.7 |
| Comfort Index (higher=better) | 8.6 | 7.5 | 7 |
| UV Index | 5.4 | 5.1 | 4.3 |
| Elevation ft. | 161 | 755 | 2443 |