| | National City, CA | Fort Smith, AR | United States |
| Rainfall | 9.9 | 47.7 | 38.1 |
| Snowfall | 0 | 4.1 | 27.8 |
| Precipitation Days | 37.7 | 88.7 | 106.2 |
| Sunny | 258 | 214 | 205 |
| Avg. July High | 76.1 | 92.6 | 85.8 |
| Avg. Jan. Low | 48.5 | 28.2 | 21.7 |
| Comfort Index (higher=better) | 9.3 | 7.1 | 7 |
| UV Index | 5.9 | 4.8 | 4.3 |
| Elevation ft. | 66 | 440 | 2443 |