GRAFTON, ILLINOIS

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Elevation: 122 meters Latitude: 38 58N Longitude: 090 26W

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DAILY WEATHER AVERAGE - 19 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.1 ^°C	3.9 ^°C	-3.4 ^°C	12.2 ^°C (2011)	(2000)
Dewpoint	-3.5 ^°C	-0.2 ^°C	-7.3 ^°C	8 ^°C (2011)	-20.6 ^°C (2004)
Humidity	78 ^%	91.4 ^%	62.5 ^%		39 ^% (2004)
Barometer	1020.3 ^hPa	1024.4 ^hPa	1015.9 ^hPa	1039.3 ^hPa (2005)	999.7 ^hPa (2012)
Wind Speed	12.9 ^km/h	24.1 ^km/h		50.1 ^km/h (2008)
Wind Gust		48.4 ^km/h		64.9 ^km/h (2008)
Precipitation	14.73 ^mm			39.88 ^mm (2011)

Weather Element	Average
Visibility	12.1 ^km
Wind Direction	SSE (174 °)

Weather Element	Total
Heating Degree Days	18.2 (Base 18.3)

Total Years on Record: 18

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