NAPERVILLE, ILLINOIS

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Elevation: 209 meters Latitude: 41 49N Longitude: 088 04W

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DAILY WEATHER AVERAGE - 4 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-4.9 ^°C	-1.7 ^°C	-8.9 ^°C	10 ^°C (2005)	(2007)
Dewpoint	-6.9 ^°C	-5.3 ^°C	-9.2 ^°C	6 ^°C (2008)	-20 ^°C (2004)
Humidity	73.9 ^%	85.3 ^%	61 ^%		39 ^% (2004)
Barometer	1021.3 ^hPa	1026.1 ^hPa	1015.9 ^hPa	1039.3 ^hPa (1996)	997 ^hPa (2003)
Wind Speed	17.9 ^km/h	27.5 ^km/h		40.7 ^km/h (2003)
Wind Gust		40.2 ^km/h		59.2 ^km/h (2003)
Precipitation	5.59 ^mm			25.91 ^mm (2008)

Weather Element	Average
Visibility	12.4 ^km
Wind Direction	SSW (214.6 °)

Weather Element	Total
Heating Degree Days	23.7 (Base 18.3)

Total Years on Record: 22

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