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

Table 6

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

(a) Dry year (2001)

Confs	R	σ	RMSE	BIAS
Conf1	0.52	1.89	1.63	13.50
Conf2	0.59	1.35	1.15	−0.60
Conf3	0.78	1.49	0.87	43.30
Conf4	0.60	1.61	1.30	7.70
Conf5	0.80	1.71	1.15	49.10
Conf6	0.79	1.52	0.87	25.70
Conf7	0.76	1.74	1.65	11.70
WRF-EM	0.79	1.61	1.06	—
ERA	0.62	0.84	0.85	15.80

(b) Wet year (2008)

Confs	R	σ	RMSE	BIAS
Conf1	0.87	2.94	2.15	6.80
Conf2	0.81	1.60	0.95	−21.30
Conf3	0.52	1.58	1.35	107.00
Conf4	0.79	1.84	1.15	−13.60
Conf5	0.53	1.77	1.50	16.70
Conf6	0.77	1.21	0.85	−1.70
Conf7	0.91	2.28	1.40	1.40
WRF-EM	0.79	1.41	0.95	—
ERA	0.80	0.25	0.85	−27.80