PRESTON, MARYLAND

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Elevation: 2 meters Latitude: 38 43N Longitude: 075 55W

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.3 ^°C	5.5 ^°C	-0.7 ^°C	15.2 ^°C (2013)	-4 ^°C (2010)
Dewpoint	-2.6 ^°C	0.3 ^°C	-5.1 ^°C	12 ^°C (2013)	-16 ^°C (2005)
Humidity	73.5 ^%	88.7 ^%	56.2 ^%		26 ^% (2005)
Barometer	1022 ^hPa	1025.1 ^hPa	1019.6 ^hPa	1037.9 ^hPa (2015)	1005.8 ^hPa (2009)
Wind Speed	9.2 ^km/h	19.8 ^km/h		37 ^km/h (2009)
Wind Gust		42.6 ^km/h		46.3 ^km/h (2010)
Precipitation	---			--- ()

Weather Element	Average
Visibility	15.9 ^km
Wind Direction	SSE (165.3 °)

Weather Element	Total
Heating Degree Days	15.9 (Base 18.3)
Growing Degree Days	1.2 (Base 10)

Total Years on Record: 10

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