A Spatial Interpolation of Meteorological Parameters considering Geographic Semantics

Table 4

Comparison of interpolation accuracy of 5 kinds of interpolation methods on Jan. 11, 2018.

Study area	Forecasting methods	Forecast date	January 11, 2018
		RMSE	MAE	MAPE (%)	RVAR
Study area-1	S-IDW	0.581	0.376	7.091	0.674
	IDW	0.784	0.552	14.859	0.492
	Kriging	0.830	0.615	17.447	0.512
	Natural	1.173	0.813	9.544	0.788
	Spline	1.804	1.145	27.103	1.326