Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Victoria - - 0.54
± 0.13
1.00
± 0.08
1.65
± 0.24
4.04
± 0.39
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
± 1.89 ± 0.78 ± 0.51 ± 0.47 ± 0.42

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.30 0.63 0.80 0.82 0.83

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

Jan Feb Mar Apr May Jun
± 2.40 ± 2.21 ± 1.93 ± 1.79 ± 1.41 ± 1.40
Jul Aug Sep Oct Nov Dec
± 1.14 ± 1.19 ± 1.38 ± 1.65 ± 2.07 ± 1.97

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature