DULLES, VIRGINIA

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

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DAILY WEATHER AVERAGE - 24 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	19.2 ^°C	25.2 ^°C	12.8 ^°C	30.6 ^°C (2004)	5.6 ^°C (2006)
Dewpoint	12.6 ^°C	15.7 ^°C	10.2 ^°C	21 ^°C (2009)	2.2 ^°C (1997)
Humidity	69.1 ^%	91.1 ^%	45.9 ^%		24 ^% (1997)
Barometer	1015.6 ^hPa	1018.3 ^hPa	1012.9 ^hPa	1032.2 ^hPa (2007)	998.6 ^hPa (1999)
Wind Speed	10.8 ^km/h	22.9 ^km/h		44.4 ^km/h (1999)
Wind Gust		37 ^km/h		61.2 ^km/h (1999)
Precipitation	14.99 ^mm			53.85 ^mm (1999)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	SSW (196 °)

Total Years on Record: 21

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