ROCKVILLE, MARYLAND

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

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DAILY WEATHER AVERAGE - 25 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.9 ^°C	6.9 ^°C	-3.1 ^°C	14 ^°C (2014)	-9 ^°C (2013)
Dewpoint	-3.7 ^°C	1.8 ^°C	-7 ^°C	13 ^°C (2014)	-14 ^°C (2013)
Humidity	68.8 ^%	88.6 ^%	50.9 ^%		37 ^% (2008)
Barometer	1022.7 ^hPa	1028.4 ^hPa	1015.9 ^hPa	1035.6 ^hPa (2013)	1002 ^hPa (2014)
Wind Speed	8.5 ^km/h	20 ^km/h		35.2 ^km/h (2014)
Wind Gust		40.1 ^km/h		53.8 ^km/h (2014)
Precipitation	9.91 ^mm			25.4 ^mm (2009)

Weather Element	Average
Visibility	14.6 ^km
Wind Direction	S (176.2 °)

Weather Element	Total
Heating Degree Days	16.4 (Base 18.3)

Total Years on Record: 8

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