Optimal Physics Parameterization Scheme Combination of the Weather Research and Forecasting Model for Seasonal Precipitation Simulation over Ghana

Table 7

The four different statistic, for the northern zone, (a) for the dry year and (b) for the wet year.

(a) Dry year (2001)

Confs	R	σ	RMSE	BIAS
Conf1	0.91	1.83	1.00	6.70
Conf2	0.93	0.51	0.60	−28.60
Conf3	0.98	2.55	1.60	74.3
Conf4	0.95	0.67	0.40	−20.40
Conf5	0.95	2.75	1.85	75.50
Conf6	0.93	1.16	0.40	22.60
Conf7	0.90	1.80	1.00	3.90
WRF-EM	0.95	1.22	0.40	—
ERA	0.87	0.53	0.65	−16.50

(b) Wet year (2008)

Confs	R	σ	RMSE	BIAS
Conf1	0.93	1.33	0.55	−11.10
Conf2	0.88	0.62	0.55	−39.90
Conf3	0.93	2.95	1.95	157.70
Conf4	0.87	0.80	0.50	−37.10
Conf5	0.92	2.83	1.94	52.10
Conf6	0.90	1.81	1.00	12.90
Conf7	0.93	1.37	0.56	−12.10
WRF-EM	0.90	1.03	0.44	—
ERA	0.89	0.41	0.65	−36.70