GREENBELT, MARYLAND

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Elevation: 36 meters Latitude: 39 02N Longitude: 076 53W

WEATHER

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DAILY WEATHER AVERAGE - 12 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	4.8 ^°C	9.3 ^°C	0.3 ^°C	21 ^°C (2015)	-5 ^°C (2011)
Dewpoint	-0.3 ^°C	3.8 ^°C	-5.4 ^°C	13 ^°C (2007)	-14.6 ^°C (2014)
Humidity	72.3 ^%	93.4 ^%	45.9 ^%		28 ^% (2009)
Barometer	1022 ^hPa	1027.4 ^hPa	1017.6 ^hPa	1037.3 ^hPa (2011)	990.5 ^hPa (2010)
Wind Speed	6.3 ^km/h	16.3 ^km/h		25.9 ^km/h (2008)
Wind Gust		35.6 ^km/h		44.4 ^km/h (2008)
Precipitation	---			--- ()

Weather Element	Average
Visibility	14 ^km
Wind Direction	SSE (150.3 °)

Weather Element	Total
Heating Degree Days	13.5 (Base 18.3)
Growing Degree Days	2 (Base 10)

Total Years on Record: 10

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