Five Decadal Trends in Averages and Extremes of Rainfall and Temperature in Sri Lanka

Table 2

Number of stations exhibiting statistically significant trends in measures listed in Table 1 for daily total rainfall from 1961 to 2015.

	Total		Wet days		Extreme days		Maximum values				Total
	−	+	−	+	−	+	−	+			−	+
Annual	1	1	0	1	0	0	0	2	Monthlies		1	1
SWM	0	0	3	1	0	0	0	3	Jan		0	0
FIM	0	0	0	1	0	0	0	1	Feb		0	0
NEM	0	1	0	0	0	0	0	1	Mar		0	0
SIM	0	0	0	1	0	0	0	3	Apr		0	0
	Mean events for the duration								May		2	0
	2 d		3 d		5 d		7 d		Jun		0	0
	−	+	−	+	−	+	−	+	Jul		1	0
	0	3	1	2	1	0	1	2	Aug		1	0
	Max events for the duration								Sep		0	0
	2 d		3 d		5 d		7 d		Oct		0	1
	−	+	−	+	−	+	−	+	Nov		0	1
	0	0	0	0	0	1	1	1	Dec		0	0
	Number of heavy events for the duration
	2 d		3 d		5 d		7 d
	−	+	−	+	−	+	−	+
	0	0	0	0	0	0	0	0
	Dry events
			Mean duration		Max duration
			−	+	−	+
			0	7	0	4