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Table 3

Model performance evaluation results for calibration and verification of WetSpa

Period	Model bias	R²	NSE
Calibration (1999–2009)	–0.14	0.84	0.744
Validation (2010–2014)	–0.15	0.81	0.720
Optimum	0	1	1

Period	Model bias	R²	NSE
Calibration (1999–2009)	–0.14	0.84	0.744
Validation (2010–2014)	–0.15	0.81	0.720
Optimum	0	1	1