| | Altadena, CA | Newell, CA | United States |
| Rainfall | 22.5 | 13.3 | 38.1 |
| Snowfall | 0 | 24.9 | 27.8 |
| Precipitation Days | 37.4 | 88.4 | 106.2 |
| Sunny | 287 | 243 | 205 |
| Avg. July High | 86.4 | 85.8 | 85.8 |
| Avg. Jan. Low | 46.7 | 21.6 | 21.7 |
| Comfort Index (higher=better) | 9.1 | 7.1 | 7 |
| UV Index | 6.2 | 5.1 | 4.3 |
| Elevation ft. | 1358 | 4045 | 2443 |