Changes in Climate Extremes over North Thailand, 1960–2099

Table 8

Trend of rainfall indices for 2011–2099 period in Chiang Rai.

Annual rainfall series	PRECIS (A2)	PRECIS (B2)	HadCM3 (A2)	HadCM3 (B2)
	MK test (Sen’s slope)
CDD	−0.03; (0.000)	0.01; (0.000)	−5.10; (−0.378)	−4.39; (−0.340)
CWD	−2.21; (−0.153)	−0.67; (−0.055)	3.60; (0.056)	0.28; (0.000)
PRCPTOT	3.54; (3.834)	0.89; (0.958)	8.43; (10.278)	5.89; (5.801)
R10	1.95; (0.073)	0.17; (0.000)	8.11; (0.360)	5.82; (0.190)
R20	5.99; (0.163)	3.50; (0.091)	7.17; (0.255)	5.21; (0.167)
R100	1.28; (—)	—	0.00; (—)	0.00; (—)
R95P	3.76; (3.366)	1.64; (1.396)	4.49; (2.361)	2.91; (1.444)
R99P	1.39; (—)	0.31; (0.000)	3.15; (—)	1.31; (—)
RX1day	1.68; (0.155)	0.22; (0.031)	2.17; (0.058)	0.86; (0.024)
RX5day	5.04; (0.315)	0.61; (0.128)	4.79; (0.388)	3.59; (—)
SDII	1.82; (0.027)	1.61; (0.009)	3.13; (0.017)	1.85; (0.311)

Moderately significant, significant, highly significant, and very highly significant.