ROCKVILLE, MARYLAND

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

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DAILY WEATHER AVERAGE - 24 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.2 ^°C	3 ^°C	-7.3 ^°C	12 ^°C (2012)	-17 ^°C (2014)
Dewpoint	-8.7 ^°C	-3.6 ^°C	-12.9 ^°C	12 ^°C (2010)	-22 ^°C (2014)
Humidity	64 ^%	85.6 ^%	44.2 ^%		33 ^% (2009)
Barometer	1020 ^hPa	1026.1 ^hPa	1012.9 ^hPa	1033.5 ^hPa (2013)	998.3 ^hPa (2015)
Wind Speed	10 ^km/h	26.7 ^km/h		38.9 ^km/h (2013)
Wind Gust		38.9 ^km/h		44.4 ^km/h (2008)
Precipitation	12.45 ^mm			26.67 ^mm (2015)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	SSW (197.3 °)

Weather Element	Total
Heating Degree Days	20.5 (Base 18.3)

Total Years on Record: 9

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