DECATUR, ILLINOIS

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Elevation: 207 meters Latitude: 39 50N Longitude: 088 52W

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.8 ^°C	2.7 ^°C	-5.2 ^°C	16.7 ^°C (2013)	(2000)
Dewpoint	-4.4 ^°C	-0.7 ^°C	-7.1 ^°C	14 ^°C (2013)	-15 ^°C (2004)
Humidity	78.2 ^%	90.6 ^%	64.2 ^%		34 ^% (2004)
Barometer	1019.3 ^hPa	1023.4 ^hPa	1015.2 ^hPa	1031.2 ^hPa (2005)	1004.1 ^hPa (2002)
Wind Speed	17.5 ^km/h	27.8 ^km/h		50.1 ^km/h (2004)
Wind Gust		47 ^km/h		61.2 ^km/h (2004)
Precipitation	5.84 ^mm			15.24 ^mm (2006)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSW (197.4 °)

Weather Element	Total
Heating Degree Days	19.6 (Base 18.3)

Total Years on Record: 20

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