Local Climate Change: 45.81 N, 72.69 W

Country:	Canada
Latitude:	45.8104 N
Longitude:	72.6923 W
Nearby Cities:	Montreal, Sherbrooke, Trois-Rivières, Drummondville, Granby, Saint-Hyacinthe

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	0.59 ± 0.26	1.05 ± 0.23	1.22 ± 0.14	1.29 ± 0.10	2.95 ± 0.23	6.69 ± 0.45
Québec	0.57 ± 0.26	1.05 ± 0.26	1.31 ± 0.25	1.47 ± 0.15	3.19 ± 0.40	10.28 ± 1.24
Canada	-	0.98 ± 0.26	1.31 ± 0.26	1.50 ± 0.18	3.64 ± 0.24	6.50 ± 0.43
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
	± 3.20	± 1.14	± 0.58	± 0.44	± 0.36

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.43	0.74	0.89	0.93	0.95

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

Jan	Feb	Mar	Apr	May	Jun
± 4.61	± 4.22	± 3.98	± 2.91	± 2.76	± 2.40
Jul	Aug	Sep	Oct	Nov	Dec
± 2.27	± 2.01	± 2.29	± 2.67	± 3.02	± 4.53

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range