Country: United States
Latitude:44.2031 N
Longitude:69.3168 W
Nearby Cities:Portland, Lewiston, Bangor, Scarborough, Brunswick, South Portland

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Current Location 0.61
± 0.26
1.04
± 0.23
1.17
± 0.13
1.21
± 0.16
2.82
± 0.23
5.21
± 0.38
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

Local Climate Variabiity

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

Smoothing Monthly Annual Five-year Ten-year Twenty-year
± 2.83 ± 1.08 ± 0.59 ± 0.45 ± 0.37

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.44 0.74 0.88 0.92 0.95

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

Jan Feb Mar Apr May Jun
± 4.09 ± 3.70 ± 3.25 ± 2.24 ± 2.23 ± 2.18
Jul Aug Sep Oct Nov Dec
± 2.07 ± 1.79 ± 2.04 ± 2.36 ± 2.66 ± 3.95

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature