ROCKVILLE, MARYLAND

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

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DAILY WEATHER AVERAGE - 31 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.7 ^°C	6.8 ^°C	-5.5 ^°C	18 ^°C (2012)	-14 ^°C (2010)
Dewpoint	-9.4 ^°C	-4.2 ^°C	-13 ^°C	13 ^°C (2013)	-19 ^°C (2014)
Humidity	50.1 ^%	75.9 ^%	33.9 ^%		23 ^% (2012)
Barometer	1021.3 ^hPa	1025.1 ^hPa	1016.9 ^hPa	1036.6 ^hPa (2008)	988.5 ^hPa (2013)
Wind Speed	9.8 ^km/h	22.2 ^km/h		55.5 ^km/h (2013)
Wind Gust		45.4 ^km/h		74 ^km/h (2013)
Precipitation	24.13 ^mm			24.13 ^mm (2013)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSE (168.3 °)

Weather Element	Total
Heating Degree Days	17.7 (Base 18.3)

Total Years on Record: 8

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