POTOMAC, MARYLAND

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

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DAILY WEATHER AVERAGE - 19 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	17.7 ^°C	23.8 ^°C	11.8 ^°C	30 ^°C (2015)	9 ^°C (2013)
Dewpoint	12.3 ^°C	15.4 ^°C	9.4 ^°C	19 ^°C (2015)	7 ^°C (2015)
Humidity	73.2 ^%	96.6 ^%	47.3 ^%		37 ^% (2009)
Barometer	1023 ^hPa	1025.4 ^hPa	1020.3 ^hPa	1031.2 ^hPa (2008)	1012.5 ^hPa (2015)
Wind Speed	5.1 ^km/h	13.8 ^km/h		18.5 ^km/h (2015)
Wind Gust		27.8 ^km/h		27.8 ^km/h (2015)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15 ^km
Wind Direction	ENE (83.9 °)

Total Years on Record: 7

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