| Parameters | Addo | Augrabies | Brandvlei |
|
| RMSE | RMSE | RMSE |
| Optimised value | 0.002 | 0.001 | 0.0015 |
| Qr | 0.011 | 0.001 | 0.006 |
| Qs | 0.004 | 0.002 | 0.003 |
| Alpha | 0.003 | 0.001 | 0.007 |
| N | 0.003 | 0.001 | 0.012 |
| Ks | 0.003 | 0.005 | 0.006 |