Country: United States
Latitude:32.9545 N
Longitude:110.1064 W
Nearby Cities:Casas Adobes, Catalina Foothills, Oro Valley

Mean Rate of Change ( °C / Century )

Since: 1760 1810 1860 1910 1960 1990
Current Location - - 0.38
± 0.23
0.93
± 0.13
2.43
± 0.27
3.11
± 0.70
Arizona - - 0.40
± 0.22
0.97
± 0.10
2.33
± 0.21
2.66
± 0.33
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
± 2.39 ± 0.98 ± 0.58 ± 0.51 ± 0.47

Correlation to Global Land Average (R value)

Smoothing Monthly Annual Five-year Ten-year Twenty-year
0.30 0.55 0.76 0.78 0.78

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

Jan Feb Mar Apr May Jun
± 2.60 ± 2.81 ± 2.79 ± 2.48 ± 2.34 ± 2.11
Jul Aug Sep Oct Nov Dec
± 1.46 ± 1.57 ± 1.73 ± 1.94 ± 2.60 ± 2.84

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature