JOLIET, ILLINOIS

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Elevation: 177 meters Latitude: 41 31N Longitude: 088 10W

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DAILY WEATHER AVERAGE - 17 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-5.4 ^°C	-1.7 ^°C	-10 ^°C	7 ^°C (2006)	-17.2 ^°C (2016)
Dewpoint	-8.9 ^°C	-4.8 ^°C	-13.6 ^°C	4 ^°C (2006)	-23.1 ^°C (2003)
Humidity	77.2 ^%	88.6 ^%	64.1 ^%		43 ^% (2003)
Barometer	1016.9 ^hPa	1022.7 ^hPa	1011.9 ^hPa	1043.7 ^hPa (2005)	998.6 ^hPa (2006)
Wind Speed	12.9 ^km/h	24.6 ^km/h		33.3 ^km/h (2009)
Wind Gust		39.4 ^km/h		57.5 ^km/h (2009)
Precipitation	2.03 ^mm			3.81 ^mm (2012)

Weather Element	Average
Visibility	11.9 ^km
Wind Direction	SW (225.6 °)

Weather Element	Total
Heating Degree Days	24.2 (Base 18.3)

Total Years on Record: 15

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