ROCKVILLE, MARYLAND

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

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DAILY WEATHER AVERAGE - 19 MARCH

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.1 ^°C	14.4 ^°C	3.9 ^°C	24 ^°C (2012)	-2 ^°C (2015)
Dewpoint	1.6 ^°C	5.6 ^°C	-2.9 ^°C	15 ^°C (2008)	-13 ^°C (2013)
Humidity	63.8 ^%	82.9 ^%	43.1 ^%		19 ^% (2010)
Barometer	1016.3 ^hPa	1022.4 ^hPa	1013.9 ^hPa	1032.8 ^hPa (2011)	995.6 ^hPa (2008)
Wind Speed	8.7 ^km/h	21.9 ^km/h		40.7 ^km/h (2013)
Wind Gust		39.6 ^km/h		62.9 ^km/h (2013)
Precipitation	10.16 ^mm			18.29 ^mm (2008)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (147.6 °)

Weather Element	Total
Heating Degree Days	9.2 (Base 18.3)
Growing Degree Days	3.9 (Base 10)

Total Years on Record: 9

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