Evaluation of CMIP5 Global Climate Models over the Volta Basin: Precipitation

Table 4

Trend test for the Soudano-Sahel rainy and dry seasons.

		value	Slope	value (change point)	Change point year
Dry season (NDJFMA)
Observed	−2.3	0.024	−0.75	0.013	1970
CCSM4	−1.4	0.155	−0.55	0.513	1994
CESM1-BGC	0.7	0.459	0.26	0.651	1981
MPI-ESM-MR	1.9	0.052	0.65	0.235	1995
NorESM1-M	1.1	0.276	0.27	0.771	1986
Ensemble	−0.9	0.387	−0.05	0.556	1967
Rainy season (MJJASO)
Observed	−1.7	0.081	−1.29	0.157	1972
CCSM4	−0.1	0.896	−0.15	1.039	1965
CESM1-BGC	1.4	0.168	1.50	0.176	1986
MPI-ESM-MR	3.6	0.0003	3.89	0.009	1984
NorESM1-M	−0.6	0.561	−0.44	0.587	1957
Ensemble	2.0	0.047	0.41	0.035	1985