Regional Climate Change: Polynesia

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Polynesia	-	-	-	0.95 ± 0.22	1.47 ± 0.46	0.87 ± 0.74
Samoa	-	-	-	0.91 ± 0.18	1.41 ± 0.55	0.73 ± 1.39
Oceania	-	-	0.63 ± 0.23	0.93 ± 0.08	1.38 ± 0.24	0.65 ± 0.47
Southern Hemisphere	-	-	0.81 ± 0.24	0.94 ± 0.32	1.34 ± 0.38	1.15 ± 0.38
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
	± 0.72	± 0.36	± 0.22	± 0.17	± 0.12

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.76	0.91	0.96	0.97	0.98

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

Jan	Feb	Mar	Apr	May	Jun
± 0.70	± 0.72	± 0.64	± 0.59	± 0.49	± 0.58
Jul	Aug	Sep	Oct	Nov	Dec
± 0.61	± 0.51	± 0.48	± 0.49	± 0.51	± 0.58

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range