WASHINGTON, DISTRICT OF COLUMBIA

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Elevation: 3 meters Latitude: 38 51N Longitude: 077 02W

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DAILY WEATHER AVERAGE - 15 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	5.7 ^°C	10.1 ^°C	1.8 ^°C	19.4 ^°C (2008)	-6.1 ^°C (2010)
Dewpoint	-0.5 ^°C	2.6 ^°C	-3.9 ^°C	13 ^°C (2008)	-16.1 ^°C (2010)
Humidity	66.8 ^%	82.7 ^%	50.2 ^%		29 ^% (2010)
Barometer	1020.7 ^hPa	1024.7 ^hPa	1015.9 ^hPa	1036.9 ^hPa (2000)	1003.7 ^hPa (2005)
Wind Speed	14 ^km/h	25.9 ^km/h		40.7 ^km/h (2009)
Wind Gust		45.2 ^km/h		59.2 ^km/h (2009)
Precipitation	20.07 ^mm			62.99 ^mm (2005)

Weather Element	Average
Visibility	15 ^km
Wind Direction	SSW (197.2 °)

Weather Element	Total
Heating Degree Days	12.4 (Base 18.3)
Growing Degree Days	1.6 (Base 10)

Total Years on Record: 20

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