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

Table 5

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

(a) Dry year (2001)

Confs	R	σ	RMSE	BIAS
Conf1	0.81	1.14	0.65	3.50
Conf2	0.73	5.62	—	19.40
Conf3	0.74	3.26	2.65	45.30
Conf4	0.76	5.36	—	10.10
Conf5	0.75	3.18	2.45	46.30
Conf6	0.83	3.08	2.35	28.60
Conf7	0.76	1.74	1.15	6.10
WRF-EM	0.79	1.44	0.9	—
ERA	0.65	1.72	1.87	16.40

(b) Wet year (2008)

Confs	R	σ	RMSE	BIAS
Conf1	0.51	1.59	1.37	28.10
Conf2	0.13	4.01	—	11.80
Conf3	0.81	1.39	0.70	142.9
Conf4	0.14	5.80	—	17.10
Conf5	0.88	1.31	0.62	31.00
Conf6	0.91	1.30	0.57	19.90
Conf7	0.48	1.64	1.44	23.70
WRF-EM	0.87	1.33	0.65	—
ERA	0.42	0.31	0,90	0.80