Heard Island and McDonald Islands

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Heard Island and McDonald Islands	-	-	-	-	1.49 ± 0.60	0.68 ± 3.32

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
	± 1.16	± 0.57	± 0.34	± 0.26	± 0.15

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.41	0.67	0.87	0.93	0.97

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

Jan	Feb	Mar	Apr	May	Jun
± 0.86	± 0.88	± 0.96	± 1.14	± 1.21	± 1.16
Jul	Aug	Sep	Oct	Nov	Dec
± 1.30	± 1.30	± 1.02	± 0.92	± 0.71	± 0.68

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range