Comparative Analysis of Global Solar Radiation Models in Different Regions of China

Table 7

Statistics performances of the 12 models in estimating global solar radiation in Northeast China.

Stations	Evaluation index	AP	OG	Jin	BA	LO	GM	EM	AH	DL	HS	AN	BC
Harbin
	RMSE	2.816	2.770	2.826	2.789	2.818	2.819	2.822	3.006	2.835	4.061	4.061	3.941
	RRMSE	21.1	20.7	21.1	20.9	21.1	21.1	21.1	22.5	21.2	30.4	30.4	29.5
	NS	0.855	0.860	0.854	0.858	0.855	0.855	0.855	0.835	0.853	0.699	0.699	0.717
	MAE	2.132	2.089	2.141	2.106	2.134	2.134	2.137	2.298	2.149	3.062	3.062	2.939
Shenyang
	RMSE	2.226	2.209	2.223	2.181	2.225	2.223	2.222	2.360	2.228	4.310	4.310	4.096
	RRMSE	15.7	15.5	15.6	15.3	15.7	15.6	15.6	16.6	15.7	30.3	30.3	28.8
	NS	0.906	0.908	0.906	0.910	0.906	0.906	0.906	0.894	0.906	0.648	0.648	0.682
	MAE	1.628	1.629	1.626	1.595	1.628	1.626	1.624	1.712	1.630	3.357	3.357	3.140
Changchun
	RMSE	1.715	1.710	1.713	1.701	1.715	1.714	1.714	1.859	1.714	4.096	4.096	3.795
	RRMSE	12.7	12.7	12.7	12.6	12.7	12.7	12.7	13.8	12.7	30.4	30.4	28.2
	NS	0.944	0.944	0.944	0.945	0.944	0.944	0.944	0.934	0.944	0.679	0.679	0.724
	MAE	1.296	1.290	1.294	1.281	1.296	1.295	1.295	1.403	1.295	3.098	3.098	2.786
Average
	RMSE	2.252	2.230	2.254	2.224	2.253	2.252	2.253	2.408	2.259	4.156	4.156	3.944
	RRMSE	16.5	16.3	16.5	16.3	16.5	16.5	16.5	17.6	16.5	30.4	30.4	28.8
	NS	0.902	0.904	0.901	0.904	0.902	0.902	0.902	0.888	0.901	0.675	0.675	0.708
	MAE	1.685	1.669	1.687	1.661	1.686	1.685	1.686	1.805	1.691	3.172	3.172	2.955
	GPI	0.003	0.055	−0.001	0.072	0.002	0.003	0.002	−0.350	−0.011	−4.928	−4.928	−4.275
	Rank	3	2	7	1	5	4	6	9	8	12	11	10