POTOMAC, MARYLAND

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

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DAILY WEATHER AVERAGE - 29 MARCH

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.8 ^°C	12.8 ^°C	3.3 ^°C	22 ^°C (2009)	-7 ^°C (2015)
Dewpoint	-0.8 ^°C	3.3 ^°C	-4.4 ^°C	16 ^°C (2009)	-17 ^°C (2015)
Humidity	59.5 ^%	76.8 ^%	42.5 ^%		19 ^% (2011)
Barometer	1016.6 ^hPa	1021 ^hPa	1011.5 ^hPa	1034.2 ^hPa (2008)	992.2 ^hPa (2009)
Wind Speed	9.5 ^km/h	21.4 ^km/h		31.5 ^km/h (2009)
Wind Gust		40.6 ^km/h		57.5 ^km/h (2009)
Precipitation	16.26 ^mm			36.32 ^mm (2014)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SSW (191.4 °)

Weather Element	Total
Heating Degree Days	10.3 (Base 18.3)
Growing Degree Days	2.4 (Base 10)

Total Years on Record: 8

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