Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Aruba - - 0.82
± 0.20
1.04
± 0.16
1.31
± 0.34
1.25
± 0.92
Caribbean - 0.61
± 0.28
0.76
± 0.22
0.96
± 0.13
1.54
± 0.25
0.73
± 0.56
Venezuela - - 0.88
± 0.20
1.09
± 0.17
1.33
± 0.31
1.53
± 0.43
South America - - 0.86
± 0.20
1.00
± 0.16
1.39
± 0.19
1.07
± 0.36
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

Regional Climate Variability

Difference from Global Land Average ( °C, 95% range )

Smoothing Monthly Annual Five-year Ten-year Twenty-year
± 0.94 ± 0.51 ± 0.25 ± 0.19 ± 0.14

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.67 0.85 0.95 0.97 0.98

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

Jan Feb Mar Apr May Jun
± 0.98 ± 1.08 ± 1.13 ± 0.86 ± 0.81 ± 0.68
Jul Aug Sep Oct Nov Dec
± 0.66 ± 0.57 ± 0.72 ± 0.74 ± 0.76 ± 0.95

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature