Persistence and Time Trends in the Temperatures in Spain

Table 4

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_min. 𝑡-values in parenthesis. In bold, significant time trend coefficients.)

Location	Intercept (𝛽0)	Time Tr. (𝛽1)	Seas. AR (𝜌)
BADAJOZ	94.239	0.01732	0.8961
	(23.736)	(1.621)
MADRID	89.352	0.01946	0.9430
	(20.632)	(1.826)
MALAGA	127.381	0.05393	0.9511
	(24.101)	(1.984)
SAN SEBASTIAN	98.266	0.01061	0.8838
	(35.387)	(1.901)
VALENCIA	120.005	0.03422	0.9446
	(30.348)	(3.516)
ZARAGOZA	83.618	0.03770	0.9488
	(17.905)	(2.730)