Analysis of Variation Trends in Precipitation in an Upstream Catchment of Huai River

Table 3

Values of Z of the M-K test and the Kendall slope β for annual and seasonal precipitation in three subcatchments.

Subcatchments	Spring		Summer		Autumn		Winter		Annual
	Z	β	Z	β	Z	β	Z	β	Z	β
Beiru River	−0.22	−0.150	−0.62	−0.602	−0.35	−0.202	0.30	0.046	−0.90	−1.004
Sha River	0.47	0.268	0.52	0.579	−0.06	−0.029	0.21	0.045	0.21	0.297
Li River	−0.16	−0.078	0.86	1.364	−0.59	−0.349	−0.08	−0.025	0.17	0.274