CHICAGO, ILLINOIS

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

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DAILY WEATHER AVERAGE - 30 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.4 ^°C	1.6 ^°C	-5.3 ^°C	15.6 ^°C (2002)	(1998)
Dewpoint	-4.6 ^°C	-1.6 ^°C	-7.8 ^°C	12.2 ^°C (2002)	-22.2 ^°C (2014)
Humidity	79.9 ^%	92.1 ^%	66.5 ^%		33 ^% (2008)
Barometer	1016.9 ^hPa	1021.7 ^hPa	1012.9 ^hPa	1040.6 ^hPa (2014)	998 ^hPa (2011)
Wind Speed	14.2 ^km/h	25.4 ^km/h		42.6 ^km/h (2004)
Wind Gust		41.5 ^km/h		62.9 ^km/h (2004)
Precipitation	9.14 ^mm			33.02 ^mm (2004)

Weather Element	Average
Visibility	10.5 ^km
Wind Direction	SSW (202 °)

Weather Element	Total
Heating Degree Days	20.2 (Base 18.3)

Total Years on Record: 20

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