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

Table 4

The four different statistics, for the coastal zone, for the (a) dry year (2001) and (b) wet year (2008).

(a) Dry year (2001)

Confs	R	σ	RMSE	BIAS
Conf1	0.69	1.05	0.81	11.70
Conf2	0.47	5.26	—	84.00
Conf3	0.84	2.18	1.44	77.90
Conf4	0.45	4.48	—	73.40
Conf5	0.82	1.99	1.31	76.70
Conf6	0.83	1.94	1.20	32.20
Conf7	0.65	1.08	0.88	0.05
WRF-EM	0.81	1.61	0.95	—
ERA	0.63	1.38	1.10	35.50

(b) Wet year (2008)

Confs	R	σ	RMSE	BIAS
Conf1	0.52	2.48	2.15	32.40
Conf2	0.07	4.96	—	77.60
Conf3	0.85	3.24	2.75	217.10
Conf4	0.26	7.69	—	83.50
Conf5	0.88	2.93	2.10	59.30
Conf6	0.63	3.05	2.80	75.00
Conf7	0.70	2.77	2.15	40.70
WRF-EM	0.81	2.98	2.13	—
ERA	0.54	0.54	0.85	24.30