NAPERVILLE, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 20 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	22.2 ^°C	26.7 ^°C	17.6 ^°C	33.3 ^°C (2010)	13.3 ^°C (2004)
Dewpoint	16.6 ^°C	18.7 ^°C	14.1 ^°C	22.8 ^°C (1996)	8.3 ^°C (2013)
Humidity	72.4 ^%	91.8 ^%	51.4 ^%		37 ^% (2004)
Barometer	1015.6 ^hPa	1017.6 ^hPa	1013.5 ^hPa	1024.4 ^hPa (1998)	1002.7 ^hPa (2009)
Wind Speed	13 ^km/h	23.8 ^km/h		38.9 ^km/h (2011)
Wind Gust		39.8 ^km/h		53.8 ^km/h (2011)
Precipitation	40.89 ^mm			105.41 ^mm (2005)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	S (179.9 °)

Weather Element	Total
Cooling Degree Days	3.8 (Base 18.3)
Growing Degree Days	12.2 (Base 10)

Total Years on Record: 20

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