Country: United States
Latitude:42.5945 N
Longitude:96.0000 W
Nearby Cities:Sioux City, South Sioux City, Spencer, Vermillion

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Current Location 0.57
± 0.27
0.90
± 0.29
1.21
± 0.20
0.86
± 0.09
2.35
± 0.14
4.40
± 0.72
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
South Dakota - 0.91
± 0.27
1.25
± 0.19
1.06
± 0.09
2.15
± 0.19
3.46
± 0.57
Nebraska - 0.82
± 0.27
1.06
± 0.17
0.87
± 0.09
2.08
± 0.18
3.55
± 0.41
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
± 3.87 ± 1.40 ± 0.66 ± 0.48 ± 0.40

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.45 0.66 0.84 0.90 0.91

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

Jan Feb Mar Apr May Jun
± 5.91 ± 5.74 ± 5.06 ± 3.61 ± 3.35 ± 2.72
Jul Aug Sep Oct Nov Dec
± 2.54 ± 2.58 ± 2.89 ± 3.52 ± 4.09 ± 5.34

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature