| | Greenville, IL | Covina, CA | United States |
| Rainfall | 41.3 | 18.3 | 38.1 |
| Snowfall | 12.4 | 0 | 27.8 |
| Precipitation Days | 92.3 | 35.9 | 106.2 |
| Sunny | 198 | 288 | 205 |
| Avg. July High | 87.7 | 87.9 | 85.8 |
| Avg. Jan. Low | 20.8 | 43.8 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 9.1 | 7 |
| UV Index | 4.3 | 6.2 | 4.3 |
| Elevation ft. | 617 | 558 | 2443 |