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United States of America

ROCKVILLE, MARYLAND


Home > North America > United States > Maryland
Elevation: 127 meters     Latitude: 39 06N     Longitude: 077 06W

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DAILY WEATHER AVERAGE - 18 MAY
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 16.1 °C 21 °C 10.8 °C 31 °C (2015) 6 °C (2009)
Dewpoint 9.7 °C 12.6 °C 7 °C 23 °C (2015) -2 °C (2009)
Humidity 68.2 % 91.9 % 46.7 % 31 % (2009)
Barometer 1017.6 hPa 1020 hPa 1015.2 hPa 1028.8 hPa (2009) 994.6 hPa (2008)
Wind Speed 6.9 km/h 18.3 km/h 24.1 km/h (2015)
Wind Gust 30.1 km/h 31.5 km/h (2014)
Precipitation 8.38 mm 20.57 mm (2015)
Weather ElementAverage
Visibility15.4 km
Wind DirectionESE (115.1 °)
Weather ElementTotal
Heating Degree Days3.8 (Base 18.3)
Cooling Degree Days6.2 (Base 18.3)
Growing Degree Days5.9 (Base 10)
Total Years on Record: 8
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT




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