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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 - 21 JUNE
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 20.1 °C 28.6 °C 13.2 °C 34 °C (2012) (2012)
Dewpoint 14 °C 18.9 °C 13.8 °C 23 °C (2012) 7 °C (2008)
Humidity 67.9 % 94 % 48 % 35 % (2008)
Barometer 1015.6 hPa 1017.3 hPa 1013.2 hPa 1027.4 hPa (2013) 1002.7 hPa (2009)
Wind Speed 6.4 km/h 17.2 km/h 25.9 km/h (2015)
Wind Gust 34.3 km/h 38.9 km/h (2015)
Precipitation 3.81 mm 13.21 mm (2015)
Weather ElementAverage
Visibility15.6 km
Wind DirectionSSE (150 °)
Weather ElementTotal
Heating Degree Days10.2 (Base 18.3)
Cooling Degree Days4.4 (Base 18.3)
Growing Degree Days12.7 (Base 10)
Total Years on Record: 8
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