DECATUR, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.1 ^°C	2.5 ^°C	-4.4 ^°C	15.6 ^°C (2006)	-17 ^°C (2000)
Dewpoint	-4.1 ^°C	-1.4 ^°C	-6.2 ^°C	12.2 ^°C (2006)	-12.8 ^°C (2009)
Humidity	80.3 ^%	91.2 ^%	64.4 ^%		43 ^% (2009)
Barometer	1020 ^hPa	1023.4 ^hPa	1015.9 ^hPa	1035.6 ^hPa (2005)	1004.1 ^hPa (2012)
Wind Speed	15.1 ^km/h	26.1 ^km/h		42.6 ^km/h (2000)
Wind Gust		39.6 ^km/h		59.2 ^km/h (2000)
Precipitation	6.35 ^mm			14.73 ^mm (2001)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSW (202.5 °)

Weather Element	Total
Heating Degree Days	19.3 (Base 18.3)
Growing Degree Days	0.9 (Base 10)

Total Years on Record: 20

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