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

Table 3

The four different statistics, for the whole of Ghana as a unit, for the (a) dry year and (b) wet year.

(a) Dry year (2001)

Confs	R	Σ	RMSE	BIAS
Conf1	0.88	1.76	1.00	6.17
Conf2	0.97	2.33	1.38	3.00
Conf3	0.88	1.66	0.88	61.99
Conf4	0.94	2.39	1.50	4.13
Conf5	0.86	1.90	1.13	63.77
Conf6	0.88	1.57	0.82	35.88
Conf7	0.86	1.85	1.11	2.93
WRF-EM	0.88	1.89	0.88	4.06
ERA	0.77	0.97	0.65	0.70

(b) Wet year (2008)

Confs	R	σ	RMSE	BIAS
Conf1	0.95	2.09	1.15	5.39
Conf2	0.93	1.96	1.10	−7.43
Conf3	0.88	1.70	0.90	48.79
Conf4	0.90	2.63	1.80	−2.98
Conf5	0.85	1.77	1.06	43.84
Conf6	0.86	1.55	0.85	21.09
Conf7	0.96	1.96	1.06	4.68
WRF-EM	0.91	1.79	0.95	−0.09
ERA	0.82	0.41	0.70	−13.35