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United States of America

POTOMAC, MARYLAND


Home > North America > United States > Maryland
Elevation: 8 meters     Latitude: 39 02N     Longitude: 077 15W

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DAILY WEATHER AVERAGE - 27 JUNE
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 18.8 °C 28.5 °C 13.8 °C 36 °C (2010) (2012)
Dewpoint 14.9 °C 20.6 °C 17 °C 26 °C (2010) 15 °C (2012)
Humidity 75.8 % 95.5 % 55.8 % 35 % (2012)
Barometer 1013.2 hPa 1015.6 hPa 1010.2 hPa 1024.4 hPa (2014) 1004.4 hPa (2013)
Wind Speed 6.1 km/h 18.5 km/h 25.9 km/h (2012)
Wind Gust 32.7 km/h 40.7 km/h (2012)
Precipitation 44.7 mm 102.87 mm (2015)
Weather ElementAverage
Visibility14.5 km
Wind DirectionESE (122.3 °)
Weather ElementTotal
Heating Degree Days12.7 (Base 18.3)
Cooling Degree Days5 (Base 18.3)
Growing Degree Days13.3 (Base 10)
Total Years on Record: 8
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