| Data Length | Obs-A: 30 years (1983-2012) | Obs-B: 2 years (2013-2014) | |||||
| Parameters | Hydro Sim | WECS1990 | NEA1997 | DHM2004 | DAR | GT | Parameters |
| R2 | 0.98 | 0.97 | 0.97 | 0.96 | 0.99 | 0.99 | R2 |
| MAE | 21.6 | 60.6 | 20.9 | 61.0 | 52.4 | 30.2 | MAE |
| RMSE | 36.6 | 209.6 | 65.1 | 211.4 | 181.5 | 104.5 | RMSE |
| PBIAS | −6.4 | 37.3 | 11.6 | 37.6 | −39.5 | −22.7 | PBIAS |
| NSE | 0.97 | 0.67 | 0.95 | 0.67 | 0.74 | 0.92 | NSE |
| KGE | 0.87 | 0.45 | 0.81 | 0.45 | 0.49 | 0.72 | KGE |
| GPI | 5.5 | 2.1 | 4.8 | 1.3 | 3.1 | 4.3 | GPI |
| Performance Rank | I | V | II | VI | IV | III | Performance Rank |