HARRISTOWN, ILLINOIS

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Elevation: 188 meters Latitude: 39 09N Longitude: 089 24W

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.8 ^°C	2.8 ^°C	-4.5 ^°C	14 ^°C (2006)	-13.9 ^°C (2008)
Dewpoint	-3.4 ^°C	-0.4 ^°C	-6.4 ^°C	12 ^°C (2006)	-15.3 ^°C (2009)
Humidity	83.2 ^%	93.9 ^%	70.3 ^%		43 ^% (2009)
Barometer	1019.6 ^hPa	1022.7 ^hPa	1015.9 ^hPa	1034.9 ^hPa (2005)	1004.4 ^hPa (2012)
Wind Speed	8.4 ^km/h	18 ^km/h		37 ^km/h (2002)
Wind Gust		32.7 ^km/h		48.1 ^km/h (2002)
Precipitation	4.32 ^mm			11.68 ^mm (2012)

Weather Element	Average
Visibility	12.9 ^km
Wind Direction	S (178.4 °)

Weather Element	Total
Heating Degree Days	19.2 (Base 18.3)

Total Years on Record: 15

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