Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
South Georgia and the South Sandwich Isla - - - 1.30
± 0.39
1.85
± 0.76
2.03
± 2.89
United Kingdom 0.36
± 0.28
0.52
± 0.21
0.70
± 0.14
0.83
± 0.13
2.30
± 0.26
1.68
± 0.38
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
± 1.96 ± 0.85 ± 0.44 ± 0.32 ± 0.25

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.29 0.63 0.84 0.90 0.92

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

Jan Feb Mar Apr May Jun
± 1.12 ± 1.30 ± 1.50 ± 1.76 ± 2.14 ± 2.07
Jul Aug Sep Oct Nov Dec
± 2.18 ± 2.47 ± 2.02 ± 1.95 ± 1.89 ± 1.18

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature