| Site | ET0-PM (mm/year) | ET0-PM (mm/season) |
| Tunis | 1423.6 | 896.5 |
| Nabeul | 1484.7 | 871.1 |
| SB | 1485.0 | 907.1 |
| Sousse | 1527.1 | 879.8 |
| Bizerte | 1334.1 | 839.6 |
| Gabes | 1570.1 | 894.0 |
| Béja | 1321.6 | 885.7 |