GREENFIELD, ILLINOIS

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Elevation: 170 meters Latitude: 39 20N Longitude: 090 12W

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DAILY WEATHER AVERAGE - 20 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23.1 ^°C	28.9 ^°C	17.7 ^°C	33 ^°C (2011)	10.5 ^°C (2012)
Dewpoint	18.1 ^°C	20.9 ^°C	15.5 ^°C	25 ^°C (2007)	8.1 ^°C (2012)
Humidity	75.7 ^%	94.8 ^%	52.4 ^%		29 ^% (2012)
Barometer	1015.2 ^hPa	1017.3 ^hPa	1013.2 ^hPa	1021 ^hPa (2002)	1005.1 ^hPa (2009)
Wind Speed	9 ^km/h	20 ^km/h		27.8 ^km/h (2010)
Wind Gust		36.7 ^km/h		57.5 ^km/h (2005)
Precipitation	13.72 ^mm			36.58 ^mm (2010)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SE (139.8 °)

Weather Element	Total
Cooling Degree Days	5 (Base 18.3)
Growing Degree Days	13.3 (Base 10)

Total Years on Record: 15

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