Local Climate Change: 21.70 N, 101.25 W

Country:	Mexico
Latitude:	21.7021 N
Longitude:	101.2500 W
Nearby Cities:	León, San Luis Potosí, Lagos de Moreno, Guanajuato, San Francisco del Rincón, Silao

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	-	-	0.62 ± 0.21	0.59 ± 0.23	1.34 ± 0.48	1.86 ± 0.98
Mexico	-	-	0.58 ± 0.17	0.68 ± 0.15	1.58 ± 0.29	1.98 ± 0.55
Central America	-	-	0.63 ± 0.16	0.72 ± 0.13	1.55 ± 0.25	1.49 ± 0.44
North America	-	0.82 ± 0.23	1.02 ± 0.18	1.11 ± 0.11	2.90 ± 0.19	4.72 ± 0.28
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

Regional Climate Variability

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

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 1.63	± 0.69	± 0.44	± 0.36	± 0.28

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.42	0.74	0.87	0.90	0.93

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

Jan	Feb	Mar	Apr	May	Jun
± 1.83	± 1.76	± 1.64	± 1.63	± 1.49	± 1.44
Jul	Aug	Sep	Oct	Nov	Dec
± 1.13	± 0.95	± 1.02	± 1.34	± 1.54	± 1.68

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range