Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Vietnam - - 0.75
± 0.17
0.70
± 0.13
0.91
± 0.27
1.71
± 0.66
South-Eastern Asia - - 0.82
± 0.22
0.87
± 0.15
1.11
± 0.17
1.59
± 0.38
Asia - 0.82
± 0.18
1.00
± 0.15
1.35
± 0.09
2.57
± 0.24
3.13
± 0.25
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
± 1.30 ± 0.56 ± 0.32 ± 0.27 ± 0.22

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.51 0.82 0.93 0.94 0.95

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

Jan Feb Mar Apr May Jun
± 1.70 ± 1.85 ± 1.35 ± 1.16 ± 1.04 ± 0.79
Jul Aug Sep Oct Nov Dec
± 0.72 ± 0.64 ± 0.64 ± 0.93 ± 1.24 ± 1.53

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature