Precipitation Trends over Time Using Mann-Kendall and Spearman’s rho Tests in Swat River Basin, Pakistan

Table 6

MK and SR results for seasonal and annual precipitation time series in entire basin and subbasin of Swat River.

Subbasin	Change (mm/year)	Test	Winter	Spring	Summer	Autumn	Annual
A1	−0.73	MK	0.55	−0.24	−2.42	3.05	−0.34
		SR	0.57	0.01	−2.27	3.47	1.18
A2	−0.90	MK	1.28	−0.23	−3.85	1.58	−0.81
		SR	1.18	−0.35	−4.44	1.64	−0.90
A3	0.30	MK	2.66	0.16	−2.65	3.75	0.24
		SR	2.95	0.27	−3.09	4.60	0.40
A4	2.18	MK	2.42	0.60	−0.21	0.24	1.66
		SR	2.72	0.54	−0.37	0.43	1.73
A	0.48	MK	2.14	−0.11	−2.97	3.07	0.42
		SR	2.25	−0.14	−3.40	3.36	0.38

Significant trend at 5% significance level of two-tailed test.