CHICAGO, ILLINOIS

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Elevation: 205 meters Latitude: 41 59N Longitude: 087 54W

WEATHER

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DAILY WEATHER AVERAGE - 4 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.9 ^°C	4.8 ^°C	-2 ^°C	17.8 ^°C (1998)	-13.3 ^°C (2006)
Dewpoint	-2.1 ^°C	1.3 ^°C	-5.8 ^°C	16 ^°C (1998)	-16.7 ^°C (2012)
Humidity	76.1 ^%	89.8 ^%	62 ^%		38 ^% (2012)
Barometer	1020 ^hPa	1024.4 ^hPa	1015.6 ^hPa	1036.6 ^hPa (2002)	999.7 ^hPa (2013)
Wind Speed	13.2 ^km/h	22.9 ^km/h		42.6 ^km/h (2000)
Wind Gust		40.4 ^km/h		59.2 ^km/h (2000)
Precipitation	14.48 ^mm			77.22 ^mm (1999)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSW (203.9 °)

Weather Element	Total
Heating Degree Days	16.9 (Base 18.3)
Growing Degree Days	4.2 (Base 10)

Total Years on Record: 21

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