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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 - 9 MAY
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 17.4 °C 22.9 °C 12.3 °C 31.1 °C (2000) 5 °C (1995)
Dewpoint 11.9 °C 14.6 °C 8.7 °C 21.7 °C (2000) -3.9 °C (2010)
Humidity 73.9 % 94.3 % 50.7 % 26 % (2010)
Barometer 1014.9 hPa 1017.6 hPa 1011.9 hPa 1026.4 hPa (1996) 1000 hPa (2008)
Wind Speed 10.8 km/h 23 km/h 35.2 km/h (2010)
Wind Gust 37.2 km/h 51.8 km/h (2010)
Precipitation 29.21 mm 152.91 mm (2008)
Weather ElementAverage
Visibility12.9 km
Wind DirectionS (183.5 °)
Weather ElementTotal
Heating Degree Days3 (Base 18.3)
Cooling Degree Days2.9 (Base 18.3)
Growing Degree Days7.6 (Base 10)
Total Years on Record: 21
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WIND DIRECTION BREAKOUT




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