GRAFTON, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.1 ^°C	4.6 ^°C	-3.8 ^°C	16.7 ^°C (2002)	-16.7 ^°C (2000)
Dewpoint	-3.4 ^°C	-0.5 ^°C	-6.3 ^°C	13.9 ^°C (2002)	-22.2 ^°C (2010)
Humidity	79.1 ^%	91.4 ^%	60.7 ^%		37 ^% (2010)
Barometer	1020.7 ^hPa	1023.7 ^hPa	1016.9 ^hPa	1034.5 ^hPa (2005)	1003 ^hPa (2002)
Wind Speed	11.6 ^km/h	22.9 ^km/h		44.4 ^km/h (2000)
Wind Gust		40.7 ^km/h		53.8 ^km/h (2000)
Precipitation	4.83 ^mm			12.95 ^mm (2001)

Weather Element	Average
Visibility	12.4 ^km
Wind Direction	SSE (172.7 °)

Weather Element	Total
Heating Degree Days	17.9 (Base 18.3)
Growing Degree Days	1.2 (Base 10)

Total Years on Record: 18

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