NAPERVILLE, ILLINOIS

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

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DAILY WEATHER AVERAGE - 15 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	17 ^°C	21.5 ^°C	12.6 ^°C	28.9 ^°C (2004)	4.4 ^°C (2007)
Dewpoint	10.8 ^°C	13.4 ^°C	8.3 ^°C	21.1 ^°C (1998)	-3.3 ^°C (2007)
Humidity	69.5 ^%	89.4 ^%	47.1 ^%		27 ^% (2007)
Barometer	1019.6 ^hPa	1022 ^hPa	1016.9 ^hPa	1028.8 ^hPa (2011)	1008.1 ^hPa (1998)
Wind Speed	12.2 ^km/h	22.9 ^km/h		42.6 ^km/h (2004)
Wind Gust		36.9 ^km/h		44.4 ^km/h (2004)
Precipitation	9.4 ^mm			24.89 ^mm (2013)

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	SSE (166.5 °)

Total Years on Record: 21

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