| Stage of model | Evaluated statistics | |||
| R2 | NSE | RSR | PBIAS (%) | |
| Calibration (1997-2002) | 0.759 | 0.737 | 0.513 | 7.511 |
| Validation (2004-2007) | 0.565 | 0.540 | 0.678 | 22.584 |