| | Glendale, AZ | Covina, CA | United States |
| Rainfall | 9.2 | 18.3 | 38.1 |
| Snowfall | 0.1 | 0 | 27.8 |
| Precipitation Days | 30.8 | 35.9 | 106.2 |
| Sunny | 294 | 288 | 205 |
| Avg. July High | 105.6 | 87.9 | 85.8 |
| Avg. Jan. Low | 43.7 | 43.8 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 9.1 | 7 |
| UV Index | 6.4 | 6.2 | 4.3 |
| Elevation ft. | 1152 | 558 | 2443 |