Table 2: MSE, MAE and MAPE of three sites for the single forecasting models.

Site	Model error	Model	Model	Model	Model	Model	Model
		WNN	BP	RBF	GRNN	FNN	SVM
Site 1	MAE	0.2925	0.2909	0.4436	0.2968	0.2876	0.3361
	MAPE(%)	6.02	6.22	9.13	6.39	6.2	7.06
	MSE	0.1389	0.1232	0.3188	0.1315	0.1232	0.1612
Site 2	MAE	0.2859	0.2714	0.3268	0.3162	0.2836	0.3247
	MAPE(%)	5.48	5.76	6.44	6.26	5.66	6.28
	MSE	0.1185	0.147	0.162	0.1738	0.139	0.1527
Site 3	MAE	0.3593	0.3659	0.5539	0.4765	0.3659	0.4218
	MAPE(%)	4.77	4.94	7.32	6.61	4.92	5.75
	MSE	0.2203	0.2267	0.565	0.3369	0.214	0.237