GRAFTON, ILLINOIS

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

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DAILY WEATHER AVERAGE - 11 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.3 ^°C	5.6 ^°C	-4.6 ^°C	14.4 ^°C (2015)	-12.2 ^°C (2000)
Dewpoint	-2.9 ^°C	0.8 ^°C	-7.3 ^°C	12.8 ^°C (2015)	-19.4 ^°C (2009)
Humidity	81 ^%	93.4 ^%	59.7 ^%		32 ^% (2009)
Barometer	1020.3 ^hPa	1023.7 ^hPa	1016.9 ^hPa	1039.3 ^hPa (2013)	1000.7 ^hPa (2010)
Wind Speed	11.9 ^km/h	24.1 ^km/h		59.2 ^km/h (2000)
Wind Gust		48.4 ^km/h		72.3 ^km/h (2000)
Precipitation	7.37 ^mm			20.07 ^mm (2010)

Weather Element	Average
Visibility	11.7 ^km
Wind Direction	SSE (155 °)

Weather Element	Total
Heating Degree Days	17.9 (Base 18.3)

Total Years on Record: 18

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