LEMONT, PENNSYLVANIA

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Elevation: 357 meters Latitude: 40 48N Longitude: 077 52W

WEATHER

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DAILY WEATHER AVERAGE - 5 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.1 ^°C	5 ^°C	-1.1 ^°C	20 ^°C (2001)	-8 ^°C (2008)
Dewpoint	-2.6 ^°C	0.4 ^°C	-5.6 ^°C	13 ^°C (1998)	-15 ^°C (2001)
Humidity	73.6 ^%	89.2 ^%	58 ^%		30 ^% (2001)
Barometer	1017.3 ^hPa	1022.4 ^hPa	1014.9 ^hPa	1038.6 ^hPa (2015)	1001 ^hPa (1997)
Wind Speed	10.5 ^km/h	21.9 ^km/h		50.1 ^km/h (2000)
Wind Gust		38.9 ^km/h		61.2 ^km/h (2000)
Precipitation	4.32 ^mm			14.22 ^mm (2003)

Weather Element	Average
Visibility	15.8 ^km
Wind Direction	SSE (170.4 °)

Weather Element	Total
Heating Degree Days	16.4 (Base 18.3)
Growing Degree Days	4.1 (Base 10)

Total Years on Record: 21

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