Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Kuwait - - 0.95
± 0.27
1.50
± 0.22
2.86
± 0.65
6.35
± 1.35
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
± 1.94 ± 0.83 ± 0.42 ± 0.32 ± 0.24

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.47 0.76 0.90 0.93 0.95

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

Jan Feb Mar Apr May Jun
± 2.56 ± 2.47 ± 2.40 ± 1.89 ± 1.58 ± 1.33
Jul Aug Sep Oct Nov Dec
± 1.12 ± 1.24 ± 1.41 ± 1.81 ± 1.95 ± 2.39

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature