HERNDON, VIRGINIA

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Elevation: 98 meters Latitude: 38 57N Longitude: 077 27W

WEATHER

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DAILY WEATHER AVERAGE - 16 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.7 ^°C	6.4 ^°C	-2.7 ^°C	18.9 ^°C (2006)	-14.4 ^°C (2015)
Dewpoint	-5 ^°C	-1.2 ^°C	-8.3 ^°C	9 ^°C (2005)	-24.4 ^°C (1999)
Humidity	65 ^%	84.1 ^%	44.7 ^%		18 ^% (1999)
Barometer	1019.3 ^hPa	1023.7 ^hPa	1015.2 ^hPa	1036.9 ^hPa (2004)	999.7 ^hPa (2016)
Wind Speed	12.9 ^km/h	29.1 ^km/h		57.5 ^km/h (2002)
Wind Gust		44.4 ^km/h		68.6 ^km/h (2002)
Precipitation	23.11 ^mm			47.24 ^mm (2003)

Weather Element	Average
Visibility	13 ^km
Wind Direction	SSW (191.4 °)

Weather Element	Total
Heating Degree Days	16.6 (Base 18.3)
Growing Degree Days	0.8 (Base 10)

Total Years on Record: 22

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