DES PLAINES, ILLINOIS

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Elevation: 198 meters Latitude: 42 00N Longitude: 087 54W

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DAILY WEATHER AVERAGE - 12 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.8 ^°C	2.5 ^°C	-5.2 ^°C	10 ^°C (2006)	-18.3 ^°C (2013)
Dewpoint	-4.7 ^°C	-1.9 ^°C	-7.2 ^°C	10 ^°C (2015)	-23.3 ^°C (1998)
Humidity	76.5 ^%	90.6 ^%	60.6 ^%		39 ^% (1998)
Barometer	1020.7 ^hPa	1024.4 ^hPa	1016.6 ^hPa	1036.2 ^hPa (2000)	997.6 ^hPa (2004)
Wind Speed	13.8 ^km/h	24.1 ^km/h		48.1 ^km/h (2004)
Wind Gust		43.3 ^km/h		70.3 ^km/h (2010)
Precipitation	4.57 ^mm			19.05 ^mm (2001)

Weather Element	Average
Visibility	12.4 ^km
Wind Direction	SSW (208.6 °)

Weather Element	Total
Heating Degree Days	19.7 (Base 18.3)

Total Years on Record: 21

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