GRAFTON, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 21 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.8 ^°C	5.6 ^°C	-3.2 ^°C	17.2 ^°C (2015)	-15.6 ^°C (2008)
Dewpoint	-2.9 ^°C	0.8 ^°C	-6.2 ^°C	13.3 ^°C (2006)	-21.1 ^°C (2002)
Humidity	77.7 ^%	89.4 ^%	59.7 ^%		39 ^% (2002)
Barometer	1018.6 ^hPa	1022.7 ^hPa	1014.2 ^hPa	1034.5 ^hPa (2008)	1002.7 ^hPa (2013)
Wind Speed	13.4 ^km/h	25.4 ^km/h		46.3 ^km/h (2008)
Wind Gust		50.1 ^km/h		61.2 ^km/h (2008)
Precipitation	16.51 ^mm			33.53 ^mm (2013)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSE (162 °)

Weather Element	Total
Heating Degree Days	17.2 (Base 18.3)
Growing Degree Days	1.5 (Base 10)

Total Years on Record: 18

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