HERNDON, VIRGINIA

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

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DAILY WEATHER AVERAGE - 15 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.4 ^°C	6.4 ^°C	-3.5 ^°C	16.7 ^°C (2005)	-14 ^°C (2015)
Dewpoint	-5.2 ^°C	-2.2 ^°C	-8.4 ^°C	11.7 ^°C (2001)	-23.3 ^°C (2011)
Humidity	65.4 ^%	84.3 ^%	43.4 ^%		17 ^% (2011)
Barometer	1020 ^hPa	1024.7 ^hPa	1014.6 ^hPa	1034.5 ^hPa (1998)	1003 ^hPa (2014)
Wind Speed	14 ^km/h	28.5 ^km/h		66.6 ^km/h (2015)
Wind Gust		46.5 ^km/h		90.8 ^km/h (2015)
Precipitation	8.13 ^mm			20.07 ^mm (2016)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSW (214.1 °)

Weather Element	Total
Heating Degree Days	16.9 (Base 18.3)

Total Years on Record: 22

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