Climate Stripes

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Maine 0.60
± 0.25
1.04
± 0.22
1.17
± 0.13
1.24
± 0.11
2.86
± 0.24
5.97
± 0.32
Contiguous United States - 0.66
± 0.25
0.76
± 0.18
0.87
± 0.08
2.16
± 0.16
2.76
± 0.36
United States - 0.69
± 0.24
0.80
± 0.16
0.89
± 0.08
2.36
± 0.13
2.42
± 0.39
North America - 0.82
± 0.23
1.02
± 0.18
1.11
± 0.11
2.90
± 0.19
4.72
± 0.28
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

Temperature Record Months and Years

Seasonal Changes

Regional Climate Variability

Difference from Global Land Average ( °C, 95% range )

Smoothing Monthly Annual Five-year Ten-year Twenty-year
± 2.85 ± 1.06 ± 0.56 ± 0.43 ± 0.36

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.45 0.75 0.89 0.93 0.95

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

Jan Feb Mar Apr May Jun
± 4.09 ± 3.75 ± 3.44 ± 2.35 ± 2.28 ± 2.20
Jul Aug Sep Oct Nov Dec
± 2.12 ± 1.81 ± 2.06 ± 2.40 ± 2.73 ± 4.06

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range