Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Japan - - 0.90
± 0.19
1.11
± 0.08
1.66
± 0.23
0.96
± 0.34
Eastern Asia - 0.78
± 0.20
0.93
± 0.19
1.23
± 0.13
2.19
± 0.24
1.64
± 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
± 1.80 ± 0.74 ± 0.37 ± 0.28 ± 0.20

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.45 0.74 0.91 0.94 0.96

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

Jan Feb Mar Apr May Jun
± 2.01 ± 2.13 ± 1.86 ± 1.65 ± 1.26 ± 1.51
Jul Aug Sep Oct Nov Dec
± 1.98 ± 1.62 ± 1.55 ± 1.24 ± 1.72 ± 2.02

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature