RESTON, VIRGINIA

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Elevation: 88 meters Latitude: 38 57N Longitude: 077 27W

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DAILY WEATHER AVERAGE - 29 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.3 ^°C	7.7 ^°C	-0.9 ^°C	16.7 ^°C (1996)	-10 ^°C (2000)
Dewpoint	-2.2 ^°C	0.4 ^°C	-5.7 ^°C	14.4 ^°C (1996)	-15.6 ^°C (2008)
Humidity	70.6 ^%	85.9 ^%	51.8 ^%		28 ^% (2008)
Barometer	1016.3 ^hPa	1021.3 ^hPa	1011.2 ^hPa	1036.6 ^hPa (2006)	988.8 ^hPa (1997)
Wind Speed	10.1 ^km/h	23.7 ^km/h		50.1 ^km/h (2009)
Wind Gust		42.8 ^km/h		68.6 ^km/h (2012)
Precipitation	11.18 ^mm			57.66 ^mm (2013)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SW (228.9 °)

Weather Element	Total
Heating Degree Days	15 (Base 18.3)
Growing Degree Days	3.1 (Base 10)

Total Years on Record: 21

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