Type of model | Performance Statistic | Drought magnitude-based analysis | |||
MA1 | MA2 | MA3 | Average of MA2 and MA3 | ||
Calculations by the counting method from observed flow data | NSE (%) MER (%) | 24.33 −38.83 | 71.93 −13.04 | 69.36 17.50 | 86.73 2.23 |
DM model with consideration of mean of drought intensity only, Equation (3) | NSE (%) MER (%) | 25.90 −49.80 | 49.08 −36.30 | 56.70 −26.83 | 53.60 −31.56 |
DM model with consideration of mean and variance of drought intensity, Equation (2) | NSE (%) MER (%) | 46.23 −23.71 | 72.01 0.75 | 65.08 13.85 | 71.02 7.30 |