| Analysis of Annual Rainfall of the Tabuk (1978-2013) | ||
| Parameter | Log Transformed (mm) | Non-Log Transformed (mm) |
| Average − 1/2 STDEV | 1.27 | 20.83 |
| Average | 1.41 | 32.11 |
| Average + 1/2 STDEV | 1.56 | 43.38 |