NAPERVILLE, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 9 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.6 ^°C	28.3 ^°C	19.1 ^°C	34.9 ^°C (2001)	12.2 ^°C (1999)
Dewpoint	17.7 ^°C	20.2 ^°C	15.1 ^°C	24.4 ^°C (2001)	10.6 ^°C (2005)
Humidity	71.6 ^%	90 ^%	50.7 ^%		30 ^% (2005)
Barometer	1014.6 ^hPa	1016.6 ^hPa	1012.5 ^hPa	1024.7 ^hPa (2002)	1003.7 ^hPa (2011)
Wind Speed	12.7 ^km/h	24.8 ^km/h		33.3 ^km/h (2011)
Wind Gust		39.3 ^km/h		55.5 ^km/h (2005)
Precipitation	7.11 ^mm			19.05 ^mm (2001)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSE (168 °)

Weather Element	Total
Cooling Degree Days	5.3 (Base 18.3)
Growing Degree Days	13.7 (Base 10)

Total Years on Record: 21

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