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United States of America

DULLES, VIRGINIA


Home > North America > United States > Virginia
Elevation: 88 meters     Latitude: 38 57N     Longitude: 077 27W

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DAILY WEATHER AVERAGE - 24 AUGUST
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 23.4 °C 29.4 °C 17.6 °C 35 °C (1998) 10.6 °C (1997)
Dewpoint 16.8 °C 19.2 °C 14.2 °C 24 °C (2002) 7.8 °C (2006)
Humidity 69.4 % 92.6 % 43.5 % 30 % (2006)
Barometer 1017.3 hPa 1019.3 hPa 1015.2 hPa 1027.4 hPa (2013) 1007.5 hPa (2002)
Wind Speed 8.7 km/h 19 km/h 35.2 km/h (2011)
Wind Gust 34.6 km/h 48.1 km/h (2011)
Precipitation 5.33 mm 13.46 mm (1999)
Weather ElementAverage
Visibility13.8 km
Wind DirectionSSE (163.2 °)
Weather ElementTotal
Heating Degree Days0.2 (Base 18.3)
Cooling Degree Days5.4 (Base 18.3)
Growing Degree Days13.5 (Base 10)
Total Years on Record: 20
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT




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