FREDERICK, MARYLAND

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Elevation: 79 meters Latitude: 39 25N Longitude: 077 22W

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.8 ^°C	5.7 ^°C	-3.3 ^°C	12 ^°C (2002)	-13 ^°C (2004)
Dewpoint	-5.1 ^°C	-1.4 ^°C	-7.7 ^°C	10 ^°C (2002)	-23 ^°C (2005)
Humidity	67.5 ^%	88.5 ^%	47 ^%		28 ^% (2005)
Barometer	1020 ^hPa	1023.4 ^hPa	1016.6 ^hPa	1037.3 ^hPa (2015)	999.3 ^hPa (2002)
Wind Speed	9 ^km/h	22.2 ^km/h		40.7 ^km/h (2004)
Wind Gust		42 ^km/h		57.5 ^km/h (2004)
Precipitation	10.16 ^mm			16.51 ^mm (2002)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SSE (160.1 °)

Weather Element	Total
Heating Degree Days	17.2 (Base 18.3)

Total Years on Record: 14

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