ROCKVILLE, MARYLAND

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

WEATHER

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DAILY WEATHER AVERAGE - 21 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.1 ^°C	19.5 ^°C	2.2 ^°C	25 ^°C (2007)	(2015)
Dewpoint	4.9 ^°C	8.1 ^°C	2.3 ^°C	11 ^°C (2014)	-2 ^°C (2010)
Humidity	66 ^%	94.3 ^%	35.4 ^%		29 ^% (2010)
Barometer	1018.6 ^hPa	1021.7 ^hPa	1015.6 ^hPa	1029.1 ^hPa (2015)	1005.4 ^hPa (2010)
Wind Speed	7.1 ^km/h	21.1 ^km/h		33.3 ^km/h (2010)
Wind Gust		37.7 ^km/h		51.8 ^km/h (2008)
Precipitation	5.59 ^mm			8.38 ^mm (2014)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SSE (140.7 °)

Weather Element	Total
Heating Degree Days	7.5 (Base 18.3)
Growing Degree Days	3 (Base 10)

Total Years on Record: 8

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