| Month | Decade | Stage | Coefficient Cultural (Kc) | ETc (mm/decade) | Effective rainfall (mm/decade) | Irrigation required (mm/decade) |
| June | 3rd | Initial | 0.7 | 13.9 | 0.0 | 13.9 |
| July | 1st | Initial | 0.7 | 26.1 | 0.0 | 26.1 |
| July | 2nd | Growth | 0.71 | 24.8 | 0.0 | 24.8 |
| July | 3rd | Growth | 0.79 | 29 | 0.0 | 29 |
| August | 1st | Growth | 0.87 | 28.1 | 0.0 | 28.1 |
| August | 2nd | Mid-season | 0.95 | 29.6 | 0.0 | 29.6 |
| August | 3rd | Mid-season | 1.02 | 35.2 | 0.0 | 35.2 |
| September | 1st | Mid-season | 1.02 | 32.7 | 0.0 | 32.7 |
| September | 2nd | Mid-season | 1.02 | 33.3 | 0.0 | 33.3 |