Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Qatar - - 0.93
± 0.34
1.52
± 0.22
3.30
± 0.49
7.26
± 1.16
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
± 1.47 ± 0.69 ± 0.43 ± 0.36 ± 0.25

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.55 0.81 0.90 0.91 0.93

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

Jan Feb Mar Apr May Jun
± 1.86 ± 1.82 ± 1.79 ± 1.51 ± 1.27 ± 1.06
Jul Aug Sep Oct Nov Dec
± 0.89 ± 0.80 ± 0.94 ± 1.26 ± 1.38 ± 1.72

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature