GLENN DALE, MARYLAND

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Elevation: 45 meters Latitude: 38 58N Longitude: 076 48W

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DAILY WEATHER AVERAGE - 18 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.1 ^°C	7.1 ^°C	-2.1 ^°C	16.4 ^°C (2012)	-9 ^°C (2006)
Dewpoint	-2.4 ^°C	1.4 ^°C	-5.4 ^°C	13.8 ^°C (2012)	-8.8 ^°C (2006)
Humidity	67 ^%	88.2 ^%	47.9 ^%		35 ^% (2006)
Barometer	1020 ^hPa	1023.7 ^hPa	1016.6 ^hPa	1031.2 ^hPa (2007)	1000 ^hPa (2012)
Wind Speed	6.1 ^km/h	17.2 ^km/h		27.8 ^km/h (2012)
Wind Gust		40.4 ^km/h		57.5 ^km/h (2012)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15 ^km
Wind Direction	SE (136.4 °)

Weather Element	Total
Heating Degree Days	15.8 (Base 18.3)
Growing Degree Days	0.8 (Base 10)

Total Years on Record: 10

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