HERNDON, VIRGINIA

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

WEATHER

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DAILY WEATHER AVERAGE - JANUARY 26

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	31.6 ^°F	39.4 ^°F	23.5 ^°F	57 ^°F (2002)	12.9 ^°F (2003)
Dewpoint	19.7 ^°F	25.4 ^°F	15.4 ^°F	45 ^°F (2012)	1 ^°F (2002)
Humidity	64 ^%	81.5 ^%	47.1 ^%		21 ^% (2002)
Barometer	30.13 ⁱⁿ	30.26 ⁱⁿ	29.99 ⁱⁿ	30.58 ⁱⁿ (1997)	29.57 ⁱⁿ (2010)
Wind Speed	7.1 ^mph	13.8 ^mph		23 ^mph (2006)
Wind Gust		26.7 ^mph		31.1 ^mph (2006)
Precipitation	0.56 ⁱⁿ			2.30 ⁱⁿ (2011)

Weather Element	Average
Visibility	8.9 ^mi
Wind Direction	SSW (187.6 °)

Weather Element	Total
Heating Degree Days	33.6 (Base 18.3)

Total Years on Record: 22

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