MANASSAS, VIRGINIA

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

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DAILY WEATHER AVERAGE - 19 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.9 ^°C	7.2 ^°C	-3.2 ^°C	16 ^°C (1997)	-7 ^°C (2005)
Dewpoint	-3.6 ^°C	-0.3 ^°C	-9.7 ^°C	9 ^°C (2002)	-54 ^°C (2015)
Humidity	69.5 ^%	88.4 ^%	47.4 ^%		4 ^% (1997)
Barometer	1017.3 ^hPa	1022 ^hPa	1013.9 ^hPa	1031.5 ^hPa (2006)	999.3 ^hPa (1995)
Wind Speed	10.1 ^km/h	25.3 ^km/h		46.3 ^km/h (2015)
Wind Gust		43.5 ^km/h		66.6 ^km/h (2004)
Precipitation	4.32 ^mm			5.33 ^mm (2000)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	S (177.5 °)

Weather Element	Total
Heating Degree Days	16.3 (Base 18.3)

Total Years on Record: 21

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