Country: United States
Latitude:42.5945 N
Longitude:89.4545 W
Nearby Cities:Madison, Rockford, Janesville, DeKalb, Beloit, Clinton

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Current Location 0.44
± 0.25
0.79
± 0.29
1.10
± 0.18
0.93
± 0.19
2.62
± 0.23
4.12
± 0.50
Wisconsin 0.49
± 0.25
0.88
± 0.26
1.25
± 0.18
1.09
± 0.16
2.71
± 0.23
4.58
± 0.55
Iowa 0.49
± 0.26
0.85
± 0.29
1.12
± 0.19
0.81
± 0.11
2.39
± 0.15
4.18
± 0.60
Illinois 0.40
± 0.26
0.71
± 0.33
0.92
± 0.20
0.74
± 0.15
2.50
± 0.21
3.59
± 0.40
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
± 3.56 ± 1.28 ± 0.59 ± 0.41 ± 0.32

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.45 0.66 0.84 0.90 0.92

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

Jan Feb Mar Apr May Jun
± 5.44 ± 5.22 ± 4.41 ± 3.33 ± 3.29 ± 2.71
Jul Aug Sep Oct Nov Dec
± 2.53 ± 2.32 ± 2.64 ± 3.42 ± 3.63 ± 4.96

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature