NAPERVILLE, ILLINOIS

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

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DAILY WEATHER AVERAGE - 21 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.7 ^°C	2.3 ^°C	-4.1 ^°C	9.4 ^°C (2003)	-13.3 ^°C (2008)
Dewpoint	-4.9 ^°C	-2.1 ^°C	-7.3 ^°C	6.7 ^°C (1997)	-13.9 ^°C (2003)
Humidity	74.8 ^%	88 ^%	57.2 ^%		28 ^% (2003)
Barometer	1016.3 ^hPa	1021.3 ^hPa	1011.2 ^hPa	1036.6 ^hPa (2001)	993.2 ^hPa (2014)
Wind Speed	17.2 ^km/h	28.6 ^km/h		51.8 ^km/h (2014)
Wind Gust		48.6 ^km/h		72.3 ^km/h (2014)
Precipitation	13.72 ^mm			82.3 ^mm (1997)

Weather Element	Average
Visibility	12.4 ^km
Wind Direction	S (181.7 °)

Weather Element	Total
Heating Degree Days	19.3 (Base 18.3)

Total Years on Record: 22

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