Table 2. Characteristics of principal component score for climate variables to explain seasonal climate scenarios in central inland, southern inland, and southern coastal regions.

Seasons	Variables	Central inland			Southern inland			Southern coast
		PC 1	PC 2	Test	PC 1	PC 2	Test	PC 1	PC 2	Test
Autumn	AT (°C)	−0.06	0.91	χ2= 13.19*	−0.36	0.83	χ2= 27.58*	−0.38	−0.68	χ2= 6.01
	RH (%)	0.86	0.22		0.88	0.29		−0.48	0.71
	PA (mm)	0.68	−0.42		0.76	−0.35		0.68	0.28
	SD (h)	−0.67	−0.22		−0.71	−0.44		0.81	−0.14
Winter	MT (°C)	0.22	0.76	χ2= 15.51*	0.19	0.79	χ2= 27.67*	−0.70	0.55	χ2= 15.41*
	RH (%)	0.89	0.08		−0.91	0.09		0.61	0.58
	SA (cm)	0.28	−0.69		0.10	−0.78		0.52	0.51
	WS m/s)	−0.89	0.06		0.94	0.01		0.80	−0.29
Spring	AT (°C)	−0.36	0.38	χ2= 22.65*	−0.28	0.54	χ2= 34.73*	−0.29	−0.79	χ2= 23.06*
	RH (%)	0.86	−0.27		0.93	−0.13		0.70	0.07
	WS (m/s)	−0.47	0.70		−0.53	0.71		0.33	0.80
	PA (mm)	0.61	0.58		0.66	0.47		0.80	−0.32
	SD (h)	−0.54	−0.64		−0.51	−0.67		−0.70	0.41

^*p < 0.05.

PC, principal component ; AT, accumulated temperature; RH, relative humidity; PA, precipitation amoun; SD, sunshine duration; MT, mean temperature; SA, snowfall amountt; WS, wind speed.