| | Walla Walla East, WA | Summerlin South, NV | United States |
| Rainfall | 18.6 | 5.1 | 38.1 |
| Snowfall | 9.4 | 1.1 | 27.8 |
| Precipitation Days | 104.7 | 26.7 | 106.2 |
| Sunny | 194 | 292 | 205 |
| Avg. July High | 89.2 | 103.4 | 85.8 |
| Avg. Jan. Low | 29.2 | 35 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.5 | 7 |
| UV Index | 3.2 | 5.8 | 4.3 |
| Elevation ft. | 1071 | 2921 | 2443 |