GRAFTON, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 4 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.8 ^°C	17.2 ^°C	4.8 ^°C	27.8 ^°C (2010)	-1.7 ^°C (2002)
Dewpoint	3.1 ^°C	7.5 ^°C	-1.2 ^°C	18 ^°C (2010)	-8.9 ^°C (2005)
Humidity	62.5 ^%	84.5 ^%	39.1 ^%		25 ^% (2005)
Barometer	1015.2 ^hPa	1019.6 ^hPa	1011.2 ^hPa	1033.9 ^hPa (2002)	994.2 ^hPa (2011)
Wind Speed	18.8 ^km/h	32 ^km/h		51.8 ^km/h (2003)
Wind Gust		54.1 ^km/h		74 ^km/h (2003)
Precipitation	9.4 ^mm			25.4 ^mm (2011)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSW (192.2 °)

Weather Element	Total
Heating Degree Days	7.8 (Base 18.3)
Growing Degree Days	5.8 (Base 10)

Total Years on Record: 16

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