GRAFTON, ILLINOIS

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

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DAILY WEATHER AVERAGE - 17 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.7 ^°C	29.9 ^°C	18.4 ^°C	35.6 ^°C (2003)	13 ^°C (2008)
Dewpoint	18.4 ^°C	20.8 ^°C	15.7 ^°C	25.6 ^°C (2003)	6.1 ^°C (2012)
Humidity	74.9 ^%	93.1 ^%	48.8 ^%		27 ^% (2012)
Barometer	1016.3 ^hPa	1018.6 ^hPa	1014.2 ^hPa	1022.4 ^hPa (2013)	1008.5 ^hPa (2014)
Wind Speed	8 ^km/h	19.2 ^km/h		48.1 ^km/h (2009)
Wind Gust		55.7 ^km/h		64.9 ^km/h (2009)
Precipitation	77.22 ^mm			223.77 ^mm (2009)

Weather Element	Average
Visibility	13.4 ^km
Wind Direction	ESE (106.2 °)

Weather Element	Total
Cooling Degree Days	5.8 (Base 18.3)
Growing Degree Days	14.2 (Base 10)

Total Years on Record: 16

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