Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
South America - - 0.86
± 0.20
1.00
± 0.16
1.39
± 0.19
1.07
± 0.36
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
± 0.77 ± 0.35 ± 0.20 ± 0.15 ± 0.10

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.75 0.93 0.97 0.98 0.99

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

Jan Feb Mar Apr May Jun
± 0.66 ± 0.67 ± 0.73 ± 0.72 ± 0.86 ± 0.91
Jul Aug Sep Oct Nov Dec
± 0.96 ± 0.84 ± 0.68 ± 0.64 ± 0.56 ± 0.61

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature