RESTON, VIRGINIA

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

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DAILY WEATHER AVERAGE - 9 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	24.6 ^°C	30.1 ^°C	19.4 ^°C	36.1 ^°C (2001)	12.2 ^°C (1997)
Dewpoint	18.1 ^°C	20.3 ^°C	16 ^°C	24.4 ^°C (2001)	6.1 ^°C (1999)
Humidity	69.9 ^%	91.4 ^%	48.2 ^%		26 ^% (1999)
Barometer	1016.3 ^hPa	1017.9 ^hPa	1014.2 ^hPa	1025.7 ^hPa (1998)	1000 ^hPa (2011)
Wind Speed	8.5 ^km/h	19.8 ^km/h		37 ^km/h (2000)
Wind Gust		38.5 ^km/h		61.2 ^km/h (2000)
Precipitation	11.18 ^mm			22.86 ^mm (2000)

Weather Element	Average
Visibility	14 ^km
Wind Direction	SSE (170.9 °)

Weather Element	Total
Cooling Degree Days	6.4 (Base 18.3)
Growing Degree Days	14.8 (Base 10)

Total Years on Record: 21

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