Local Climate Change: 20.09 N, 100.66 W

Country:	Mexico
Latitude:	20.0942 N
Longitude:	100.6635 W
Nearby Cities:	Querétaro, Morelia, Irapuato, Celaya, Salamanca, San Juan del Río

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	-	-	0.66 ± 0.20	0.61 ± 0.22	1.19 ± 0.56	0.98 ± 1.03
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

Local Climate Variabiity

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

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 1.45	± 0.62	± 0.40	± 0.33	± 0.25

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.47	0.79	0.89	0.92	0.94

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

Jan	Feb	Mar	Apr	May	Jun
± 1.56	± 1.52	± 1.47	± 1.44	± 1.38	± 1.34
Jul	Aug	Sep	Oct	Nov	Dec
± 0.98	± 0.78	± 0.86	± 1.20	± 1.44	± 1.51

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range