Long-Term Rainfall Variability and Trends for Climate Risk Management in the Summer Monsoon Region of Southeast Asia

Table 4

Rainfall trend at the country level in three monsoons.

Country	Kendall’s tau	Z value	value	Sen’s slope	Kendall’s tau	Z value	value	Sen’s slope	Kendall’s tau	Z value	value	Sen’s slope
	Dry intermonsoon (Feb–Apr)				Southwest monsoon (May–Oct)				Northeast monsoon (Nov–Jan)
Cambodia	0.1780	1.6286	0.1034	2.28	0.1098	0.9996	0.3175	2.05	0.1000	0.9097	0.3629	0.60
Lao PDR	0.0000	0.0000	1.0000	0.00	0.2024	1.8533	0.0638	2.96	0.2024	1.8533	0.0638	0.40
Myanmar	0.0171	0.1460	0.8839	0.23	0.3195	2.9315	0.0034	4.44	−0.1122	−1.0221	0.3067	−0.29
Thailand	−0.0488	−0.4380	0.6614	0.77	0.2390	2.1902	0.0285	2.99	0.1659	1.5163	0.1294	0.83
Vietnam	0.0512	0.4605	0.6452	0.37	0.2098	1.9207	0.0548	2.25	0.2951	2.7069	0.0068	2.40