TYSON'S CORNER, VIRGINIA

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Elevation: 15 meters Latitude: 38 55N Longitude: 077 14W

WEATHER

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DAILY WEATHER AVERAGE - 4 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.9 ^°C	11.3 ^°C	2.9 ^°C	23.9 ^°C (1998)	-6.7 ^°C (2002)
Dewpoint	-0.1 ^°C	3.4 ^°C	-3 ^°C	14.4 ^°C (1998)	-13.9 ^°C (2000)
Humidity	63.2 ^%	82 ^%	44 ^%		22 ^% (2000)
Barometer	1022 ^hPa	1025.4 ^hPa	1018.6 ^hPa	1037.3 ^hPa (2015)	1002.4 ^hPa (1997)
Wind Speed	11.9 ^km/h	22.2 ^km/h		40.7 ^km/h (2007)
Wind Gust		47 ^km/h		64.9 ^km/h (2007)
Precipitation	8.89 ^mm			12.19 ^mm (2005)

Weather Element	Average
Visibility	15.9 ^km
Wind Direction	SSW (201.7 °)

Weather Element	Total
Heating Degree Days	11.2 (Base 18.3)
Growing Degree Days	4.4 (Base 10)

Total Years on Record: 21

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