UPPER MARLBORO, MARYLAND

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Elevation: 28 meters Latitude: 38 52N Longitude: 076 47W

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DAILY WEATHER AVERAGE - 29 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.8 ^°C	7.9 ^°C	-0.4 ^°C	19 ^°C (1996)	-10 ^°C (2000)
Dewpoint	-1.1 ^°C	1.4 ^°C	-4.5 ^°C	14 ^°C (1996)	-14.2 ^°C (2008)
Humidity	73.6 ^%	90 ^%	51.9 ^%		32 ^% (2008)
Barometer	1015.6 ^hPa	1021 ^hPa	1010.8 ^hPa	1036.6 ^hPa (2006)	988.1 ^hPa (1997)
Wind Speed	13.4 ^km/h	25.4 ^km/h		46.3 ^km/h (2009)
Wind Gust		42.8 ^km/h		77.7 ^km/h (2009)
Precipitation	10.92 ^mm			26.42 ^mm (2013)

Weather Element	Average
Visibility	11.4 ^km
Wind Direction	SSW (191.7 °)

Weather Element	Total
Heating Degree Days	14.6 (Base 18.3)
Growing Degree Days	4 (Base 10)

Total Years on Record: 20

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