Persistence and Time Trends in the Temperatures in Spain

Table 3

Estimates of the time trend coefficients and the seasonal AR(1) coefficients assuming that the process is 𝐼(0), i.e., 𝑑=0. Series: 𝑇_max. 𝑡-values in parenthesis. In bold, significant time trend coefficients.)

Location	Intercept (𝛽0)	Time Tr. (𝛽1)	Seas. AR (𝜌)
BADAJOZ	224.119	0.02675	0.9529
	(38.275)	(1.698)
MADRID	182.213	0.03134	0.9562
	(31.400)	(2.194)
MALAGA	228.380	0.02446	0.9590
	(41.844)	(0.871)
SAN SEBASTIAN	157.218	0.00980	0.8629
	(51.411)	(1.594)
VALENCIA	213.156	0.02538	0.9424
	(57.146)	(2.765)
ZARAGOZA	193.982	0.03624	0.9535
	(30.683)	(1.938)