MANASSAS, VIRGINIA

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

WEATHER

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DAILY WEATHER AVERAGE - 4 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	4.3 ^°C	11.2 ^°C	-1.6 ^°C	23 ^°C (1998)	-12 ^°C (2002)
Dewpoint	-1.6 ^°C	1.9 ^°C	-5.3 ^°C	13 ^°C (2012)	-16 ^°C (2000)
Humidity	68.6 ^%	89.5 ^%	42.8 ^%		18 ^% (2000)
Barometer	1022 ^hPa	1025.4 ^hPa	1018.6 ^hPa	1037.3 ^hPa (2015)	1002.7 ^hPa (1997)
Wind Speed	6.8 ^km/h	19.5 ^km/h		40.7 ^km/h (2007)
Wind Gust		38.5 ^km/h		59.2 ^km/h (2007)
Precipitation	10.16 ^mm			19.05 ^mm (2003)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	ESE (121.9 °)

Weather Element	Total
Heating Degree Days	13.6 (Base 18.3)
Growing Degree Days	3.8 (Base 10)

Total Years on Record: 21

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