NAPERVILLE, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 22 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.5 ^°C	14 ^°C	4.7 ^°C	20 ^°C (2000)	-1.7 ^°C (1997)
Dewpoint	3.9 ^°C	6.9 ^°C	0.9 ^°C	17.2 ^°C (2012)	-8.3 ^°C (2010)
Humidity	70.6 ^%	89.2 ^%	51.7 ^%		24 ^% (2010)
Barometer	1017.9 ^hPa	1021 ^hPa	1014.2 ^hPa	1035.9 ^hPa (1998)	996.6 ^hPa (1996)
Wind Speed	14.2 ^km/h	24.1 ^km/h		37 ^km/h (2008)
Wind Gust		39.4 ^km/h		51.8 ^km/h (1999)
Precipitation	11.43 ^mm			29.21 ^mm (2009)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSW (193.2 °)

Weather Element	Total
Heating Degree Days	9 (Base 18.3)
Growing Degree Days	2.7 (Base 10)

Total Years on Record: 20

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