SUMNER, ILLINOIS

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Elevation: 142 meters Latitude: 38 48N Longitude: 087 56W

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DAILY WEATHER AVERAGE - 10 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	24.8 ^°C	31.8 ^°C	19.7 ^°C	39 ^°C (2003)	16 ^°C (2004)
Dewpoint	19.3 ^°C	23.3 ^°C	16.4 ^°C	30 ^°C (2003)	8 ^°C (2004)
Humidity	74.1 ^%	91.9 ^%	50.9 ^%		25 ^% (2004)
Barometer	1014.6 ^hPa	1016.3 ^hPa	1012.9 ^hPa	1020.3 ^hPa (2013)	1008.5 ^hPa (2012)
Wind Speed	6 ^km/h	18 ^km/h		35.2 ^km/h (2006)
Wind Gust		35.4 ^km/h		50.1 ^km/h (2006)
Precipitation	16.51 ^mm			40.64 ^mm (2006)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSE (150.2 °)

Weather Element	Total
Cooling Degree Days	7.4 (Base 18.3)
Growing Degree Days	15.7 (Base 10)

Total Years on Record: 15

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