Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Bolivia - - 0.78
± 0.26
0.77
± 0.23
0.65
± 0.29
-0.53
± 0.74
South America - - 0.86
± 0.20
1.00
± 0.16
1.39
± 0.19
1.07
± 0.36
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
± 1.24 ± 0.58 ± 0.39 ± 0.30 ± 0.19

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.55 0.80 0.89 0.92 0.96

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

Jan Feb Mar Apr May Jun
± 0.97 ± 0.92 ± 0.97 ± 1.08 ± 1.49 ± 1.52
Jul Aug Sep Oct Nov Dec
± 1.57 ± 1.47 ± 1.31 ± 1.16 ± 0.90 ± 0.88

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature