GRAND TOWER, ILLINOIS

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Elevation: 113 meters Latitude: 37 40N Longitude: 089 31W

WEATHER

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DAILY WEATHER AVERAGE - 8 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.4 ^°C	6.4 ^°C	-2 ^°C	15.6 ^°C (2015)	-13.3 ^°C (2006)
Dewpoint	-1.5 ^°C	1.3 ^°C	-5.1 ^°C	11 ^°C (2012)	-15.6 ^°C (2010)
Humidity	77.5 ^%	91 ^%	59 ^%		35 ^% (2010)
Barometer	1021 ^hPa	1025.7 ^hPa	1016.9 ^hPa	1042.7 ^hPa (2006)	990.5 ^hPa (2009)
Wind Speed	11.6 ^km/h	22.7 ^km/h		44.4 ^km/h (2008)
Wind Gust		43.6 ^km/h		57.5 ^km/h (2008)
Precipitation	8.64 ^mm			33.53 ^mm (2009)

Weather Element	Average
Visibility	12.1 ^km
Wind Direction	SSE (154.6 °)

Weather Element	Total
Heating Degree Days	16.1 (Base 18.3)
Growing Degree Days	0.4 (Base 10)

Total Years on Record: 21

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