POTOMAC, MARYLAND

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

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DAILY WEATHER AVERAGE - 3 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	22.9 ^°C	29 ^°C	17.6 ^°C	33 ^°C (2015)	12 ^°C (2009)
Dewpoint	17.3 ^°C	20.3 ^°C	14.6 ^°C	23 ^°C (2010)	9 ^°C (2008)
Humidity	72.9 ^%	96.6 ^%	46.7 ^%		35 ^% (2008)
Barometer	1015.2 ^hPa	1018.3 ^hPa	1012.2 ^hPa	1024 ^hPa (2009)	1003.4 ^hPa (2010)
Wind Speed	3.7 ^km/h	14 ^km/h		24.1 ^km/h (2013)
Wind Gust		34.3 ^km/h		35.2 ^km/h (2010)
Precipitation	2.03 ^mm			2.03 ^mm (2011)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	ESE (106 °)

Weather Element	Total
Cooling Degree Days	4.9 (Base 18.3)
Growing Degree Days	13.3 (Base 10)

Total Years on Record: 7

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