Local Climate Change: 34.56 N, 97.30 W

Country:	United States
Latitude:	34.5629 N
Longitude:	97.2973 W
Nearby Cities:	Norman, Moore, Shawnee, Ardmore, Duncan, Chickasha

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	-	0.61 ± 0.30	0.73 ± 0.19	0.60 ± 0.09	1.92 ± 0.13	4.40 ± 0.78
Oklahoma	-	0.63 ± 0.31	0.77 ± 0.19	0.64 ± 0.08	1.94 ± 0.12	4.18 ± 0.56
Texas	-	0.55 ± 0.26	0.59 ± 0.16	0.67 ± 0.11	2.15 ± 0.17	3.78 ± 0.39
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

Temperature Record Months and Years

Seasonal Changes

Regional Climate Variability

Difference from Global Land Average ( °C, 95% range )

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 3.24	± 1.12	± 0.53	± 0.38	± 0.30

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.31	0.58	0.82	0.89	0.92

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

Jan	Feb	Mar	Apr	May	Jun
± 4.53	± 4.44	± 4.05	± 2.84	± 2.34	± 2.21
Jul	Aug	Sep	Oct	Nov	Dec
± 2.19	± 2.45	± 2.66	± 2.81	± 3.42	± 3.95

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range