HERNDON, VIRGINIA

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Elevation: 322 feet Latitude: 38 57N Longitude: 077 27W

WEATHER

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DAILY WEATHER AVERAGE - FEBRUARY 16

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	35.1 ^°F	43.5 ^°F	27.1 ^°F	66 ^°F (2006)	6.1 ^°F (2015)
Dewpoint	23 ^°F	29.8 ^°F	17 ^°F	48.2 ^°F (2005)	-11.9 ^°F (1999)
Humidity	65 ^%	84.1 ^%	44.7 ^%		18 ^% (1999)
Barometer	30.10 ⁱⁿ	30.23 ⁱⁿ	29.98 ⁱⁿ	30.62 ⁱⁿ (2004)	29.52 ⁱⁿ (2016)
Wind Speed	8 ^mph	18.1 ^mph		35.7 ^mph (2002)
Wind Gust		27.6 ^mph		42.6 ^mph (2002)
Precipitation	0.91 ⁱⁿ			1.86 ⁱⁿ (2003)

Weather Element	Average
Visibility	8.1 ^mi
Wind Direction	SSW (191.4 °)

Weather Element	Total
Heating Degree Days	29.8 (Base 18.3)
Growing Degree Days	1.5 (Base 10)

Total Years on Record: 22

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