DES PLAINES, ILLINOIS

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

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DAILY WEATHER AVERAGE - 8 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.3 ^°C	27.3 ^°C	19.1 ^°C	34.4 ^°C (2001)	12.8 ^°C (1997)
Dewpoint	15.3 ^°C	18.2 ^°C	11.7 ^°C	23.3 ^°C (2009)	-6 ^°C (1995)
Humidity	64.8 ^%	84.8 ^%	43.2 ^%		15 ^% (1995)
Barometer	1016.3 ^hPa	1018.3 ^hPa	1014.2 ^hPa	1026.8 ^hPa (2002)	1004.1 ^hPa (2011)
Wind Speed	10.5 ^km/h	21.4 ^km/h		31.5 ^km/h (2000)
Wind Gust		35.6 ^km/h		42.6 ^km/h (2010)
Precipitation	18.54 ^mm			64.26 ^mm (2007)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	ESE (127.3 °)

Weather Element	Total
Cooling Degree Days	4.8 (Base 18.3)
Growing Degree Days	13.2 (Base 10)

Total Years on Record: 21

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