| | Portola, CA | Barstow, CA | United States |
| Rainfall | 17.6 | 5.1 | 38.1 |
| Snowfall | 37.6 | 0.2 | 27.8 |
| Precipitation Days | 59.1 | 24.6 | 106.2 |
| Sunny | 243 | 281 | 205 |
| Avg. July High | 84.8 | 101.6 | 85.8 |
| Avg. Jan. Low | 18.1 | 34.8 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.8 | 7 |
| UV Index | 5.1 | 5.7 | 4.3 |
| Elevation ft. | 4856 | 2175 | 2443 |