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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 - 21 JUNE
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 23.3 °C 28.7 °C 17.4 °C 34.4 °C (2012) 11 °C (2005)
Dewpoint 16.9 °C 19.1 °C 14.6 °C 23 °C (2011) 8.3 °C (2007)
Humidity 70 % 93.5 % 48.2 % 27 % (2007)
Barometer 1015.9 hPa 1017.9 hPa 1013.5 hPa 1032.2 hPa (2002) 1001.7 hPa (2009)
Wind Speed 9.5 km/h 19.6 km/h 33.3 km/h (2000)
Wind Gust 35.4 km/h 42.6 km/h (2007)
Precipitation 6.1 mm 36.83 mm (2000)
Weather ElementAverage
Visibility14.3 km
Wind DirectionS (179.7 °)
Weather ElementTotal
Heating Degree Days1 (Base 18.3)
Cooling Degree Days5.3 (Base 18.3)
Growing Degree Days13.1 (Base 10)
Total Years on Record: 21
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WIND DIRECTION BREAKOUT




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