Table 3.

The model performance of 14 sets and 3 categories of precipitation-type distributions of validation datasets (the numbers in bold type highlight the datasets with abnormal validation results).

	Validation		Test		Distribution
	ACC	HSS	ACC	HSS	Rain	Sleet	Snow
Set1	0.91	0.81	0.81	0.64	650	449	2276
Set2	0.92	0.82	0.83	0.69	663	436	2276
Set3	0.92	0.82	0.82	0.65	593	459	2323
Set4	0.91	0.81	0.83	0.69	663	420	2292
Set5	0.91	0.82	0.81	0.65	633	436	2306
Set6	0.79	0.58	0.80	0.64	260	151	672
Set7	0.82	0.59	0.81	0.65	261	165	873
Set8	0.86	0.72	0.82	0.66	322	123	626
Set9	0.84	0.61	0.83	0.69	241	212	1057
Set10	0.83	0.68	0.82	0.67	435	209	798
Set11	0.88	0.48	0.82	0.67	65	139	1007
Set12	0.84	0.62	0.82	0.66	269	232	1234
Set13	0.86	0.59	0.82	0.67	155	135	861
Set14	0.83	0.64	0.83	0.68	195	100	392