Test: beta0.FC5COSP.ne30
Reference: Observation and Reanalysis

SON Mean

Variables	Unit	Test_mean	Ref._mean	Mean_Bias	Test_STD	Ref._STD	RMSE	Correlation
PRECT global GPCP_v2.3	mm/day	3.007	2.682	0.325	2.423	2.175	1.213	0.876