Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Australia - - 0.61
± 0.23
0.94
± 0.08
1.40
± 0.25
0.58
± 0.43
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

Regional Climate Variability

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

Smoothing Monthly Annual Five-year Ten-year Twenty-year
± 1.41 ± 0.63 ± 0.42 ± 0.38 ± 0.33

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.46 0.75 0.87 0.89 0.89

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

Jan Feb Mar Apr May Jun
± 1.31 ± 1.35 ± 1.26 ± 1.35 ± 1.51 ± 1.54
Jul Aug Sep Oct Nov Dec
± 1.31 ± 1.34 ± 1.33 ± 1.37 ± 1.43 ± 1.29

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature