Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Zambia - - 0.88
± 0.21
0.90
± 0.21
1.77
± 0.27
-0.57
± 1.15
Eastern Africa - - - 0.97
± 0.15
1.93
± 0.20
1.83
± 0.65
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
± 1.12 ± 0.52 ± 0.32 ± 0.24 ± 0.16

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.59 0.83 0.92 0.95 0.97

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

Jan Feb Mar Apr May Jun
± 1.04 ± 0.99 ± 0.93 ± 1.00 ± 1.20 ± 1.16
Jul Aug Sep Oct Nov Dec
± 1.10 ± 1.24 ± 1.10 ± 1.13 ± 1.12 ± 0.89

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature