FOREST HEIGHTS, MARYLAND

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Elevation: 66 feet Latitude: 38 54N Longitude: 077 06W

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DAILY WEATHER AVERAGE - DECEMBER 18

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	39.8 ^°F	46.3 ^°F	34 ^°F	73 ^°F (2006)	24.1 ^°F (2010)
Dewpoint	27.6 ^°F	33.7 ^°F	21.6 ^°F	55.4 ^°F (2001)	12 ^°F (1997)
Humidity	63.8 ^%	80.8 ^%	46.7 ^%		24 ^% (1997)
Barometer	30.12 ⁱⁿ	30.23 ⁱⁿ	30.01 ⁱⁿ	30.56 ⁱⁿ (2005)	29.30 ⁱⁿ (2001)
Wind Speed	7.4 ^mph	14 ^mph		32.2 ^mph (2001)
Wind Gust		26.3 ^mph		42.6 ^mph (2001)
Precipitation	0.34 ⁱⁿ			0.54 ⁱⁿ (1995)

Weather Element	Average
Visibility	9.6 ^mi
Wind Direction	S (179.6 °)

Weather Element	Total
Heating Degree Days	24.9 (Base 18.3)
Growing Degree Days	5.5 (Base 10)

Total Years on Record: 21

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