POTOMAC, MARYLAND

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Elevation: 8 meters Latitude: 39 02N Longitude: 077 15W

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DAILY WEATHER AVERAGE - 26 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.9 ^°C	6.6 ^°C	-0.8 ^°C	14 ^°C (2015)	-7 ^°C (2013)
Dewpoint	-1.5 ^°C	1.6 ^°C	-4.8 ^°C	13 ^°C (2015)	-13 ^°C (2013)
Humidity	74.6 ^%	91.1 ^%	56 ^%		34 ^% (2011)
Barometer	1021.3 ^hPa	1025.7 ^hPa	1016.6 ^hPa	1035.6 ^hPa (2008)	996.6 ^hPa (2012)
Wind Speed	8.4 ^km/h	23.7 ^km/h		40.7 ^km/h (2011)
Wind Gust		40.7 ^km/h		55.5 ^km/h (2011)
Precipitation	24.89 ^mm			69.85 ^mm (2012)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	ESE (127.5 °)

Weather Element	Total
Heating Degree Days	15.4 (Base 18.3)
Growing Degree Days	1.5 (Base 10)

Total Years on Record: 9

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