MANASSAS, VIRGINIA

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Elevation: 65 meters Latitude: 38 47N Longitude: 077 30W

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DAILY WEATHER AVERAGE - 21 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.1 ^°C	8 ^°C	-3.4 ^°C	22 ^°C (2013)	-14 ^°C (2000)
Dewpoint	-3.9 ^°C	0.6 ^°C	-8.4 ^°C	17 ^°C (2013)	-18 ^°C (2002)
Humidity	67.7 ^%	89.3 ^%	45 ^%		23 ^% (2002)
Barometer	1020 ^hPa	1023.4 ^hPa	1016.6 ^hPa	1036.9 ^hPa (1996)	992.2 ^hPa (2012)
Wind Speed	7.9 ^km/h	21.4 ^km/h		35.2 ^km/h (2010)
Wind Gust		40.9 ^km/h		55.5 ^km/h (2001)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	ESE (125.9 °)

Weather Element	Total
Heating Degree Days	16.1 (Base 18.3)
Growing Degree Days	3.8 (Base 10)

Total Years on Record: 21

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