NAPERVILLE, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 1 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.9 ^°C	0.7 ^°C	-7.4 ^°C	9.4 ^°C (2004)	-15.6 ^°C (2008)
Dewpoint	-7.2 ^°C	-3.4 ^°C	-10.3 ^°C	7.8 ^°C (2004)	-17.2 ^°C (2013)
Humidity	73.5 ^%	84.9 ^%	60.7 ^%		38 ^% (2002)
Barometer	1019.3 ^hPa	1024.4 ^hPa	1014.9 ^hPa	1034.5 ^hPa (2001)	999.7 ^hPa (2012)
Wind Speed	20 ^km/h	30.3 ^km/h		51.8 ^km/h (2012)
Wind Gust		43.9 ^km/h		66.6 ^km/h (2012)
Precipitation	3.81 ^mm			13.72 ^mm (2014)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSW (210.1 °)

Weather Element	Total
Heating Degree Days	21.7 (Base 18.3)

Total Years on Record: 22

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