ROCKVILLE, MARYLAND

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Elevation: 127 meters Latitude: 39 06N Longitude: 077 06W

WEATHER

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DAILY WEATHER AVERAGE - 8 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.2 ^°C	5.2 ^°C	-1.9 ^°C	17 ^°C (2012)	-7 ^°C (2008)
Dewpoint	-4.1 ^°C	-0.6 ^°C	-6.8 ^°C	9 ^°C (2012)	-15 ^°C (2010)
Humidity	69.6 ^%	88.6 ^%	52.1 ^%		38 ^% (2010)
Barometer	1025.1 ^hPa	1028.4 ^hPa	1019.6 ^hPa	1036.9 ^hPa (2014)	1010.2 ^hPa (2011)
Wind Speed	6.8 ^km/h	19.3 ^km/h		40.7 ^km/h (2011)
Wind Gust		48.1 ^km/h		70.3 ^km/h (2011)
Precipitation	16.76 ^mm			27.69 ^mm (2013)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	ESE (125.3 °)

Weather Element	Total
Heating Degree Days	16.7 (Base 18.3)
Growing Degree Days	2 (Base 10)

Total Years on Record: 9

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