Local Climate Change: 42.59 N, 80.73 W

Country:	Canada
Latitude:	42.5945 N
Longitude:	80.7273 W
Nearby Cities:	Hamilton, London, Erie, Brantford, Saint Thomas, Woodstock

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	0.45 ± 0.22	0.78 ± 0.23	1.04 ± 0.19	1.11 ± 0.11	2.87 ± 0.19	4.09 ± 0.58
Ohio	0.37 ± 0.23	0.62 ± 0.31	0.92 ± 0.19	0.86 ± 0.13	2.69 ± 0.19	3.18 ± 0.45
Pennsylvania	0.47 ± 0.22	0.78 ± 0.22	1.00 ± 0.17	1.01 ± 0.11	2.79 ± 0.19	3.63 ± 0.41
Ontario	0.56 ± 0.25	1.02 ± 0.23	1.41 ± 0.20	1.51 ± 0.13	3.31 ± 0.34	6.84 ± 0.77
Contiguous United States	-	0.66 ± 0.25	0.76 ± 0.18	0.87 ± 0.08	2.16 ± 0.16	2.76 ± 0.36
United States	-	0.69 ± 0.24	0.80 ± 0.16	0.89 ± 0.08	2.36 ± 0.13	2.42 ± 0.39
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

Regional Climate Variability

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

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 3.20	± 1.16	± 0.55	± 0.37	± 0.26

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.42	0.67	0.85	0.91	0.94

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

Jan	Feb	Mar	Apr	May	Jun
± 4.66	± 4.46	± 4.09	± 2.94	± 3.03	± 2.48
Jul	Aug	Sep	Oct	Nov	Dec
± 2.32	± 2.05	± 2.48	± 2.96	± 2.97	± 4.06

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range