| | Pomona, CA | College Park, MD | United States |
| Rainfall | 17.1 | 43 | 38.1 |
| Snowfall | 0 | 13.1 | 27.8 |
| Precipitation Days | 32 | 111.8 | 106.2 |
| Sunny | 285 | 207 | 205 |
| Avg. July High | 91.3 | 88.7 | 85.8 |
| Avg. Jan. Low | 42.2 | 25.5 | 21.7 |
| Comfort Index (higher=better) | 8.8 | 7.3 | 7 |
| UV Index | 6.2 | 4.3 | 4.3 |
| Elevation ft. | 850 | 72 | 2443 |