Years	NSE	R²	PBIAS	RMSE	RSR
1979	0.68	0.7	11.94	2.46	0.56
1980	0.66	0.67	4.9	2.56	0.58
1981	0.66	0.69	−10.96	2.58	0.59
1982	0.69	0.72	1.89	2.43	0.55
1983	0.24	0.70	−36.87	3.83	0.87
1984	0.57	0.70	−14.52	2.87	0.65
1985	0.39	0.69	−27.77	3.42	0.78
1986	0.68	0.70	9.61	2.46	0.56
Mean	0.57	0.70	−7.72	2.83	0.64
SD	0.17	0.01	17.92	0.52	0.12
Performance	Satisfactory	Acceptable	Very Good		Satisfactory