Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Southern Africa - - 0.85
± 0.27
0.91
± 0.26
1.35
± 0.44
-0.36
± 1.16
Africa - - 0.83
± 0.20
0.92
± 0.12
1.99
± 0.21
2.49
± 0.45
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
± 1.26 ± 0.56 ± 0.31 ± 0.21 ± 0.11

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.54 0.82 0.93 0.96 0.99

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

Jan Feb Mar Apr May Jun
± 1.33 ± 1.21 ± 1.09 ± 1.30 ± 1.16 ± 1.11
Jul Aug Sep Oct Nov Dec
± 1.21 ± 1.20 ± 1.22 ± 1.20 ± 1.11 ± 1.08

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature