STREAMWOOD, ILLINOIS

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Elevation: 250 meters Latitude: 42 02N Longitude: 088 11W

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.8 ^°C	0.6 ^°C	-7.7 ^°C	10 ^°C (2015)	(2000)
Dewpoint	-6.3 ^°C	-2.8 ^°C	-7.3 ^°C	2.2 ^°C (2011)	-15 ^°C (2003)
Humidity	78.1 ^%	89.8 ^%	63.6 ^%		38 ^% (2003)
Barometer	1017.9 ^hPa	1022.4 ^hPa	1014.2 ^hPa	1029.5 ^hPa (1998)	997.6 ^hPa (2002)
Wind Speed	15.8 ^km/h	27.4 ^km/h		46.3 ^km/h (2008)
Wind Gust		50.2 ^km/h		61.2 ^km/h (1999)
Precipitation	2.54 ^mm			7.37 ^mm (2006)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	S (176.8 °)

Weather Element	Total
Heating Degree Days	21.9 (Base 18.3)

Total Years on Record: 20

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