Country: United States
Latitude:40.9885 N
Longitude:91.5976 W
Nearby Cities:Davenport, Iowa City, Rock Island, Burlington, Ottumwa, Muscatine

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Current Location 0.43
± 0.26
0.77
± 0.31
0.99
± 0.20
0.76
± 0.14
2.39
± 0.22
3.84
± 0.66
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
Missouri 0.45
± 0.26
0.73
± 0.33
0.89
± 0.21
0.65
± 0.10
2.24
± 0.22
3.62
± 0.50
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
± 3.59 ± 1.26 ± 0.57 ± 0.38 ± 0.29

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.45 0.66 0.84 0.91 0.93

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

Jan Feb Mar Apr May Jun
± 5.46 ± 5.26 ± 4.59 ± 3.39 ± 3.20 ± 2.65
Jul Aug Sep Oct Nov Dec
± 2.59 ± 2.49 ± 2.71 ± 3.42 ± 3.71 ± 4.98

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature