RESTON, VIRGINIA

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Elevation: 88 meters Latitude: 38 57N Longitude: 077 27W

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DAILY WEATHER AVERAGE - 30 JUNE

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.7 ^°C	29.3 ^°C	18.1 ^°C	33.9 ^°C (2012)	13.9 ^°C (2004)
Dewpoint	17 ^°C	19.6 ^°C	14.2 ^°C	26.7 ^°C (1996)	5.6 ^°C (2011)
Humidity	68.8 ^%	91.2 ^%	46.5 ^%		27 ^% (2011)
Barometer	1014.6 ^hPa	1016.9 ^hPa	1012.2 ^hPa	1024 ^hPa (2002)	999.7 ^hPa (2009)
Wind Speed	9.3 ^km/h	21.1 ^km/h		37 ^km/h (2009)
Wind Gust		39.8 ^km/h		53.8 ^km/h (2008)
Precipitation	4.83 ^mm			9.65 ^mm (1998)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSW (206.5 °)

Weather Element	Total
Cooling Degree Days	5.3 (Base 18.3)
Growing Degree Days	13.7 (Base 10)

Total Years on Record: 20

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