SUMNER, ILLINOIS

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

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DAILY WEATHER AVERAGE - 15 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.1 ^°C	3.7 ^°C	-4.8 ^°C	20 ^°C (2005)	-20 ^°C (2014)
Dewpoint	-4.9 ^°C	-1.6 ^°C	-7.6 ^°C	10 ^°C (2006)	-21 ^°C (2009)
Humidity	73.4 ^%	87.9 ^%	58.5 ^%		29 ^% (2009)
Barometer	1020 ^hPa	1023 ^hPa	1015.9 ^hPa	1034.9 ^hPa (2015)	1006.8 ^hPa (2010)
Wind Speed	12.2 ^km/h	24.9 ^km/h		40.7 ^km/h (2005)
Wind Gust		36.7 ^km/h		50.1 ^km/h (2005)
Precipitation	12.7 ^mm			24.38 ^mm (2003)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SSE (172.1 °)

Weather Element	Total
Heating Degree Days	18.9 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Total Years on Record: 15

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