ROCKVILLE, MARYLAND

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

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DAILY WEATHER AVERAGE - 29 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.1 ^°C	17.5 ^°C	6.8 ^°C	23 ^°C (2015)	2 ^°C (2010)
Dewpoint	5.3 ^°C	8.4 ^°C	2.1 ^°C	14 ^°C (2013)	-3 ^°C (2010)
Humidity	67.7 ^%	91.1 ^%	44.8 ^%		23 ^% (2010)
Barometer	1017.6 ^hPa	1021 ^hPa	1014.9 ^hPa	1032.5 ^hPa (2009)	1006.4 ^hPa (2015)
Wind Speed	10 ^km/h	24.8 ^km/h		37 ^km/h (2011)
Wind Gust		36.9 ^km/h		46.3 ^km/h (2008)
Precipitation	19.05 ^mm			46.74 ^mm (2014)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SSE (160.1 °)

Weather Element	Total
Heating Degree Days	6.2 (Base 18.3)
Growing Degree Days	2.7 (Base 10)

Total Years on Record: 8

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