DECATUR, ILLINOIS

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Elevation: 207 meters Latitude: 39 50N Longitude: 088 52W

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DAILY WEATHER AVERAGE - 17 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23 ^°C	28.9 ^°C	17.8 ^°C	33.8 ^°C (1995)	13.3 ^°C (2013)
Dewpoint	17.8 ^°C	20.3 ^°C	14.9 ^°C	25.5 ^°C (1995)	10 ^°C (1998)
Humidity	74.5 ^%	92.7 ^%	48.5 ^%		4 ^% (1998)
Barometer	1016.9 ^hPa	1019 ^hPa	1014.9 ^hPa	1023.4 ^hPa (2013)	1010.8 ^hPa (2014)
Wind Speed	10.5 ^km/h	21.4 ^km/h		35.2 ^km/h (2002)
Wind Gust		38.6 ^km/h		46.3 ^km/h (2002)
Precipitation	3.56 ^mm			9.91 ^mm (2004)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (144.3 °)

Weather Element	Total
Cooling Degree Days	5.1 (Base 18.3)
Growing Degree Days	13.4 (Base 10)

Total Years on Record: 20

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