Stations	Variables	Z_MK	p-value	slope (m)	Result of trend test
Stations	Variables	Z_MK	p-value	slope (m)	α = 5%	α = 10%
Boundiali	Annual rainfall	−1.84	0.06	−0.01	No trend	Decline
	Rainy season (May-October)	−2.89	0.00	−0.20	Decline	Decline
	May	−2.90	0.00	−0.02	Decline	Decline
	June	−2.61	0.00	−1.52	Decline	Decline
	July	−2.60	0.00	−1.50	Decline	Decline
	August	−1.57	0.11	−1.97	No trend	No trend
	September	−2.16	0.03	−1.85	Decline	Decline
	October	−1.41	0.15	−1.00	No trend	No trend
Ferkessedougou	Annual rainfall	−1.73	0.08	0.00	No trend	Decline
	Rainy season (May-October)	−1.67	0.09	−0.08	No trend	Decline
	May	−1.32	0.18	−0.52	No trend	No trend
	June	−1.37	0.16	−0.86	No trend	No trend
	July	−0.43	0.66	−0.32	No trend	No trend
	August	−2.40	0.01	−2.65	Decline	Decline
	September	−1.73	0.08	−1.00	No trend	Decline
	October	−1.74	0.08	0.40	No trend	Decline
Korhogo	Annual rainfall	−1.10	0.26	0.00	No trend	No trend
	Rainy season (May-October)	−2.39	0.01	−0.13	Decline	Decline
	May	−0.50	0.61	−0.25	No trend	No trend
	June	−1.95	0.05	−1.11	No trend	Decline
	July	0.84	0.39	0.47	No trend	No trend
	August	−2.72	0.00	−2.37	Decline	Decline
	September	−2.38	0.01	−1.82	Decline	Decline
	October	−0.93	0.35	−0.55	No trend	No trend
Ouangolodougou	Annual rainfall	−1.41	0.15	0.00	No trend	No trend
	Rainy season (May-October)	−1.98	0.04	−0.11	Decline	Decline
	May	−0.82	0.40	−0.36	No trend	No trend
	June	−1.69	0.08	−0.87	No trend	Decline
	July	−0.69	0.48	−0.57	No trend	No trend
	August	−2.12	0.03	−2.05	Decline	Decline
	September	−2.80	0.00	1.79	Decline	Decline
	October	0.07	0.94	0.02	No trend	No trend