Local Climate Change: 40.99 N, 8.52 W

Country:	Portugal
Latitude:	40.9885 N
Longitude:	8.5207 W
Nearby Cities:	Porto, Braga, Coimbra, Vila Nova de Gaia, Aveiro, Rio Tinto

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	0.31 ± 0.23	0.56 ± 0.29	0.72 ± 0.19	1.07 ± 0.28	2.30 ± 0.32	1.10 ± 0.61
Portugal	0.31 ± 0.24	0.55 ± 0.31	0.71 ± 0.23	1.05 ± 0.24	2.32 ± 0.27	1.76 ± 0.45
Europe	0.37 ± 0.21	0.63 ± 0.15	0.88 ± 0.08	1.09 ± 0.10	2.69 ± 0.23	2.94 ± 0.26
Northern Hemisphere	-	0.79 ± 0.16	0.96 ± 0.10	1.19 ± 0.05	2.56 ± 0.20	3.56 ± 0.20
Global Land	0.43 ± 0.18	0.79 ± 0.13	0.91 ± 0.08	1.11 ± 0.03	2.16 ± 0.11	2.78 ± 0.13

Temperature Record Months and Years

Seasonal Changes

Local Climate Variabiity

Difference from Global Land Average ( °C, 95% range )

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 2.16	± 0.80	± 0.46	± 0.38	± 0.30

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.48	0.72	0.86	0.89	0.92

Variability in Monthly Means ( °C, 95% range )

Jan	Feb	Mar	Apr	May	Jun
± 2.41	± 2.44	± 2.30	± 2.17	± 2.18	± 2.18
Jul	Aug	Sep	Oct	Nov	Dec
± 2.05	± 1.81	± 2.00	± 2.17	± 2.09	± 2.39

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range