Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Chukot - - 1.14
± 0.44
1.33
± 0.47
3.65
± 0.70
6.01
± 1.59
Russia - 0.90
± 0.23
1.15
± 0.25
1.57
± 0.20
3.39
± 0.28
3.47
± 0.40
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
± 4.53 ± 1.56 ± 0.69 ± 0.45 ± 0.27

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.20 0.57 0.85 0.92 0.95

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

Jan Feb Mar Apr May Jun
± 6.93 ± 6.48 ± 5.51 ± 4.13 ± 3.20 ± 2.00
Jul Aug Sep Oct Nov Dec
± 1.88 ± 1.97 ± 2.09 ± 3.08 ± 5.20 ± 6.20

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature