POTOMAC, MARYLAND

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

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DAILY WEATHER AVERAGE - 21 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	18.1 ^°C	23.6 ^°C	11.6 ^°C	30 ^°C (2010)	6 ^°C (2008)
Dewpoint	11.9 ^°C	14 ^°C	9.3 ^°C	21 ^°C (2013)	3 ^°C (2009)
Humidity	71.5 ^%	99 ^%	48 ^%		23 ^% (2009)
Barometer	1016.3 ^hPa	1018.6 ^hPa	1014.6 ^hPa	1028.8 ^hPa (2009)	1000.7 ^hPa (2008)
Wind Speed	6 ^km/h	18 ^km/h		29.6 ^km/h (2008)
Wind Gust		34 ^km/h		48.1 ^km/h (2008)
Precipitation	17.78 ^mm			31.24 ^mm (2012)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	ESE (124.8 °)

Total Years on Record: 7

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