| Statistical indicators | Calibration Period (2009-2011) | ValidationPeriod (2012-2013) |
| ME | −42.87 | −28.36 |
| MAE | 53.83 | 32.92 |
| RMSE | 104.38 | 45.90 |
| R2 | 0.78 | 0.93 |
| EF | 0.22 | 0.76 |