GRIGGSVILLE, ILLINOIS

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Elevation: 189 meters Latitude: 39 43N Longitude: 090 43W

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DAILY WEATHER AVERAGE - 9 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.3 ^°C	4.8 ^°C	-4.4 ^°C	13 ^°C (2015)	-16 ^°C (2005)
Dewpoint	-3.4 ^°C	0.9 ^°C	-6.8 ^°C	11 ^°C (2008)	-17 ^°C (2002)
Humidity	78.2 ^%	90.2 ^%	61.9 ^%		26 ^% (2002)
Barometer	1017.9 ^hPa	1022.7 ^hPa	1012.2 ^hPa	1033.9 ^hPa (2011)	986.5 ^hPa (2009)
Wind Speed	13.2 ^km/h	24 ^km/h		53.8 ^km/h (2009)
Wind Gust		38.5 ^km/h		70.3 ^km/h (2009)
Precipitation	14.73 ^mm			41.4 ^mm (2003)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSW (190.9 °)

Weather Element	Total
Heating Degree Days	18.2 (Base 18.3)

Total Years on Record: 14

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