CHICAGO, ILLINOIS

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

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DAILY WEATHER AVERAGE - 19 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.3 ^°C	0.9 ^°C	-5.5 ^°C	13.3 ^°C (2002)	(2005)
Dewpoint	-5.9 ^°C	-3.5 ^°C	-7.1 ^°C	13.3 ^°C (2002)	-16.7 ^°C (2006)
Humidity	76.6 ^%	87 ^%	63.2 ^%		34 ^% (2006)
Barometer	1019 ^hPa	1023 ^hPa	1014.6 ^hPa	1035.2 ^hPa (2005)	999.7 ^hPa (2002)
Wind Speed	14 ^km/h	23.2 ^km/h		33.3 ^km/h (2004)
Wind Gust		40.7 ^km/h		51.8 ^km/h (1995)
Precipitation	3.81 ^mm			7.37 ^mm (2009)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSW (215.6 °)

Weather Element	Total
Heating Degree Days	20.7 (Base 18.3)

Total Years on Record: 21

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