Country: United States
Latitude:34.5629 N
Longitude:87.5676 W
Nearby Cities:Decatur, Madison, Florence, Athens, Cullman, Corinth

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Current Location 0.32
± 0.28
0.53
± 0.38
0.66
± 0.23
0.52
± 0.10
2.40
± 0.15
2.53
± 0.61
Tennessee 0.32
± 0.27
0.52
± 0.38
0.70
± 0.23
0.56
± 0.10
2.48
± 0.14
2.85
± 0.50
Mississippi 0.39
± 0.27
0.55
± 0.34
0.63
± 0.22
0.55
± 0.09
2.25
± 0.16
2.68
± 0.46
Alabama 0.30
± 0.28
0.50
± 0.38
0.61
± 0.25
0.52
± 0.09
2.30
± 0.14
2.47
± 0.44
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
± 2.96 ± 1.05 ± 0.57 ± 0.46 ± 0.38

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.42 0.62 0.80 0.84 0.86

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

Jan Feb Mar Apr May Jun
± 4.41 ± 4.20 ± 3.73 ± 2.65 ± 2.33 ± 2.07
Jul Aug Sep Oct Nov Dec
± 1.99 ± 1.95 ± 2.39 ± 2.86 ± 3.07 ± 3.94

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature