MONTH	MANN-KENDALL		PETTITT
MONTH	p-valor	Kendall’s Tau	p-valor	K	Changing point (t)
JANUARY	0.0323	0.2241	0.0147	249.0	25
FEBRUARY	0.0363	0.2173	0.1532	183.0	25
MARCH	0.1113	0.1657	0.1795	178.0	26
APRIL	0.0007	0.3455	0.0007	320.0	19
MAY	0.1879	0.1374	0.1823	176.0	16
JUNE	0.3064	0.1071	0.5350	128.0	31
JULY	0.0248	0.2347	0.1293	186.0	14
AUGUST	0.4775	0.0747	0.6033	120.0	31
SEPTEMBER	0.1100	0.1682	0.0844	199.0	32
OCTOBER	0.0003	0.3700	0.0010	311.0	19
NOVEMBER	0.0350	0.2265	0.0590	195.0	15
DECEMBER	0.0178	0.2474	0.0036	248.0	20