Climate Stripes

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Central African Republic - - 0.85
± 0.18
0.70
± 0.18
1.78
± 0.33
2.34
± 1.76
Middle Africa - - 0.88
± 0.18
0.77
± 0.17
1.73
± 0.25
1.78
± 0.79
Africa - - 0.83
± 0.20
0.92
± 0.12
1.99
± 0.21
2.49
± 0.45
Northern Hemisphere - 0.79
± 0.16
0.96
± 0.10
1.19
± 0.05
2.56
± 0.20
3.56
± 0.20
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
± 1.10 ± 0.50 ± 0.27 ± 0.23 ± 0.20

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.60 0.85 0.94 0.96 0.96

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

Jan Feb Mar Apr May Jun
± 1.59 ± 1.42 ± 1.13 ± 0.96 ± 0.89 ± 0.77
Jul Aug Sep Oct Nov Dec
± 0.83 ± 0.76 ± 0.78 ± 0.75 ± 0.89 ± 1.26

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range