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