DECATUR, ILLINOIS

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

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DAILY WEATHER AVERAGE - 21 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-3.9 ^°C	0.5 ^°C	-7.6 ^°C	11 ^°C (1998)	(2011)
Dewpoint	-6.9 ^°C	-3.8 ^°C	-9 ^°C	9 ^°C (1999)	-20.6 ^°C (2003)
Humidity	77.8 ^%	90 ^%	62.8 ^%		29 ^% (2003)
Barometer	1020 ^hPa	1024 ^hPa	1015.2 ^hPa	1038.3 ^hPa (2008)	1000 ^hPa (1999)
Wind Speed	19.5 ^km/h	31.4 ^km/h		50.1 ^km/h (2014)
Wind Gust		47.5 ^km/h		72.3 ^km/h (2013)
Precipitation	5.33 ^mm			13.21 ^mm (2010)

Weather Element	Average
Visibility	13 ^km
Wind Direction	S (174.8 °)

Weather Element	Total
Heating Degree Days	21.9 (Base 18.3)

Total Years on Record: 22

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