| CLIMATE | Columbus | South San Francisco | United States |
| Rainfall (in.) | 34.7 | 20.1 | 36.5 |
| Snowfall (in.) | 24.8 | 0 | 25 |
| Precipitation Days | 123 | 64 | 100 |
| Sunny Days | 178 | 259 | 205 |
| Avg. July High | 85 | 71 | 86.5 |
| Avg. Jan. Low | 23.2 | 42.4 | 20.5 |
| Comfort Index (higher=better) | 45 | 64 | 44 |
| UV Index | 5.6 | 4.9 | 4.3 |
| Elevation ft. | 799 | 307 | 1,443 |
