POTOMAC, MARYLAND

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

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DAILY WEATHER AVERAGE - 28 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.2 ^°C	3.3 ^°C	-5.6 ^°C	12 ^°C (2012)	-14 ^°C (2014)
Dewpoint	-7.3 ^°C	-3.9 ^°C	-11.8 ^°C	3 ^°C (2013)	-23 ^°C (2012)
Humidity	66.4 ^%	88.7 ^%	45.8 ^%		29 ^% (2012)
Barometer	1019 ^hPa	1025.1 ^hPa	1013.5 ^hPa	1032.2 ^hPa (2013)	1003 ^hPa (2009)
Wind Speed	9.2 ^km/h	28 ^km/h		40.7 ^km/h (2012)
Wind Gust		47.2 ^km/h		61.2 ^km/h (2010)
Precipitation	12.95 ^mm			23.37 ^mm (2009)

Weather Element	Average
Visibility	13.5 ^km
Wind Direction	S (179 °)

Weather Element	Total
Heating Degree Days	19.4 (Base 18.3)

Total Years on Record: 9

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