Table 3. Correlation of climate variables between/within stage in central inland region

Variables	SSGDD	SSHT	SSLT	SSST	SSRH	SSRA	SSWS	SSSD	SHGDD	SHHT	SHLT	SHST	SHRH	SHRA	SHWS	SHSD
SSGDD	1	0.26*	0.17*	0.21*	−0.17*	−0.02	0.18*	−0.09*	−0.70*	0.12*	0.35*	0.16*	−0.11*	0.14*	0.39*	−0.18*
SSHT		1	0.22*	0.47*	0.12*	−0.24*	−0.61*	0.14*	−0.25*	−0.01	0.31*	0.12*	0.03	0.06	0.09*	0.14*
SSLT			1	0.45*	0.13*	0.08*	0.05	−0.19*	−0.31*	−0.14*	0.35*	0.16*	−0.13*	0.06	0.53*	−0.11*
SSST				1	−0.07	−0.34*	−0.15*	0.12*	−0.10*	0.08*	0.44*	0.63*	−0.45*	0.01	0.42*	0.41*
SSRH					1	0.39*	−0.43*	−0.24*	0.21*	−0.09*	0.02	0.10*	0.62*	−0.22*	−0.33*	0.37*
SSRA						1	0.21*	−0.66*	0.06	0.26*	0.01	−0.01	0.34*	−0.11*	−0.21*	−0.06
SSWS							1	−0.05	−0.06	0.00	−0.12*	−0.08*	−0.18*	−0.10*	0.32*	−0.45*
SSSD								1	0.04	0.00	−0.34*	−0.06	−0.03	−0.06	−0.18*	0.10*
SHGDD									1	−0.01	−0.32*	−0.05	0.11*	−0.21*	−0.43*	0.32*
SHHT										1	0.15*	0.47*	−0.21*	−0.18*	−0.18*	0.32*
SHLT											1	0.55*	−0.09*	0.28*	0.57*	−0.03
SHST												1	−0.32*	−0.10*	0.11*	0.59*
SHRH													1	0.11*	−0.34*	−0.25*
SHRA														1	0.28*	−0.24*
SHWS															1	−0.37*
SHSD																1

p < 0.05.
SSGDD, seeding-silking growing degree days; SSHT, seeding-silking high temperature; SSLT, seeding-silking low temperature; SSST, seeding-silking soil surface temperature; SSRH, seeding-silking relative humidity; SSRA, seeding-silking rainfall amount; SSWS, seeding-silking wind speed; SSSD, seeding-silking sunshine duration; SHGDD, silking-harvesting growing degree days; SHHT, silking-harvesting high temperature; SHLT, silking-harvesting low temperature; SHST, silking-harvesting soil surface temperature; SHRH, silking-harvesting relative humidity; SHRA, silking-harvesting rainfall amount; SHWS, silking-harvesting wind speed; SHSD, silking-harvesting sunshine duration.