DUNCAN, OKLAHOMA

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Elevation: 342 meters Latitude: 34 28N Longitude: 097 57W

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DAILY WEATHER AVERAGE - 18 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.9 ^°C	13.1 ^°C	1.1 ^°C	21 ^°C (2013)	-6 ^°C (2015)
Dewpoint	1.5 ^°C	4.3 ^°C	-1.3 ^°C	13 ^°C (2008)	-7 ^°C (2004)
Humidity	72.5 ^%	92.5 ^%	49.9 ^%		27 ^% (2004)
Barometer	1019.6 ^hPa	1023 ^hPa	1015.9 ^hPa	1035.2 ^hPa (2005)	1000 ^hPa (2002)
Wind Speed	11.7 ^km/h	25.1 ^km/h		35.2 ^km/h (2006)
Wind Gust		36.7 ^km/h		46.3 ^km/h (2009)
Precipitation	---			--- ()

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (163.4 °)

Weather Element	Total
Heating Degree Days	11.3 (Base 18.3)
Growing Degree Days	1.3 (Base 10)

Total Years on Record: 15

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