CHICAGO, ILLINOIS

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

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DAILY WEATHER AVERAGE - 29 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.4 ^°C	2.1 ^°C	-5.7 ^°C	8.9 ^°C (2011)	-15 ^°C (1998)
Dewpoint	-4.4 ^°C	-1.3 ^°C	-7.7 ^°C	4.4 ^°C (2003)	-17.2 ^°C (2003)
Humidity	80.2 ^%	92.5 ^%	66.1 ^%		43 ^% (2003)
Barometer	1016.6 ^hPa	1021.7 ^hPa	1011.5 ^hPa	1034.9 ^hPa (2014)	999 ^hPa (2011)
Wind Speed	13 ^km/h	24.1 ^km/h		37 ^km/h (2008)
Wind Gust		42 ^km/h		55.5 ^km/h (2008)
Precipitation	3.05 ^mm			6.6 ^mm (2015)

Weather Element	Average
Visibility	11.6 ^km
Wind Direction	SSW (201.7 °)

Weather Element	Total
Heating Degree Days	20.1 (Base 18.3)

Total Years on Record: 21

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