RESTON, VIRGINIA

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Elevation: 288 feet Latitude: 38 57N Longitude: 077 27W

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DAILY WEATHER AVERAGE - DECEMBER 28

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	36.6 ^°F	45 ^°F	27.8 ^°F	68 ^°F (2008)	14 ^°F (2004)
Dewpoint	25.2 ^°F	30.7 ^°F	19.1 ^°F	55.9 ^°F (2008)	1 ^°F (2010)
Humidity	66.1 ^%	84.8 ^%	45.7 ^%		23 ^% (2010)
Barometer	30.07 ⁱⁿ	30.17 ⁱⁿ	29.94 ⁱⁿ	30.66 ⁱⁿ (2004)	29.54 ⁱⁿ (2011)
Wind Speed	7 ^mph	14.7 ^mph		25.3 ^mph (2008)
Wind Gust		28.9 ^mph		40.3 ^mph (2008)
Precipitation	0.15 ⁱⁿ			0.39 ⁱⁿ (2007)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	SW (225.3 °)

Weather Element	Total
Heating Degree Days	28.7 (Base 18.3)
Growing Degree Days	7.5 (Base 10)

Total Years on Record: 20

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