Table 2. 2000–2010 GPCC wet season total comparison statistics.

source	semi-Global Correlation	Africa Correlation	USA Correlation
MAE values represent mm over the 3 month wet season.
The bias values were calculated as abs(1-mean(source)/mean(GPCC)).
CFS	0.52	0.41	0.73
CHIRP	0.44	0.38	0.55
CHIRPS	0.67	0.56	0.89
CPCU	0.69	0.6	0.85
ECMWF	0.49	0.4	0.69
TMPA 3B42 RT7	0.39	0.3	0.55

source	semi-Global mean MAE	Africa mean MAE	USA mean MAE
MAE values represent mm over the 3 month wet season.
The bias values were calculated as abs(1-mean(source)/mean(GPCC)).
CFS	153	162	72
CHIRP	99	90	61
CHIRPS	82	79	37
CPCU	100	114	38
ECMWF	131	122	68
TMPA 3B42 RT7	157	139	137

source	semi-Global mean Bias	Africa mean Bias	USA mean Bias
MAE values represent mm over the 3 month wet season.
The bias values were calculated as abs(1-mean(source)/mean(GPCC)).
CFS	0.41	0.43	0.28
CHIRP	0.26	0.25	0.15
CHIRPS	0.21	0.22	0.11
CPCU	0.22	0.3	0.12
ECMWF	0.34	0.34	0.22
TMPA 3B42 RT7	0.44	0.39	0.54