RESTON, VIRGINIA

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

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DAILY WEATHER AVERAGE - JULY 25

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	75.4 ^°F	85.3 ^°F	66.7 ^°F	97 ^°F (2010)	57 ^°F (2014)
Dewpoint	64 ^°F	68 ^°F	59.5 ^°F	78.1 ^°F (2005)	48 ^°F (2008)
Humidity	70.7 ^%	91.7 ^%	47.5 ^%		30 ^% (2008)
Barometer	30.02 ⁱⁿ	30.06 ⁱⁿ	29.96 ⁱⁿ	30.29 ⁱⁿ (2003)	29.75 ⁱⁿ (1999)
Wind Speed	6.2 ^mph	13.8 ^mph		26.5 ^mph (2010)
Wind Gust		43.4 ^mph		225.6 ^mph (2006)
Precipitation	0.81 ⁱⁿ			1.42 ⁱⁿ (2010)

Weather Element	Average
Visibility	8.1 ^mi
Wind Direction	S (175.6 °)

Weather Element	Total
Cooling Degree Days	11 (Base 18.3)
Growing Degree Days	26 (Base 10)

Total Years on Record: 21

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