MACKINAW, ILLINOIS

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Elevation: 198 meters Latitude: 40 32N Longitude: 089 21W

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DAILY WEATHER AVERAGE - 19 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.2 ^°C	1.3 ^°C	-6 ^°C	11.7 ^°C (1997)	-17.2 ^°C (2005)
Dewpoint	-6 ^°C	-3.3 ^°C	-6.7 ^°C	7 ^°C (2002)	-16.1 ^°C (2004)
Humidity	75.7 ^%	89.3 ^%	59.6 ^%		37 ^% (2004)
Barometer	1019.6 ^hPa	1023.7 ^hPa	1015.2 ^hPa	1038.6 ^hPa (2005)	1002.7 ^hPa (2012)
Wind Speed	11.7 ^km/h	21.4 ^km/h		37 ^km/h (1995)
Wind Gust		38.8 ^km/h		51.8 ^km/h (1995)
Precipitation	11.68 ^mm			36.58 ^mm (2012)

Weather Element	Average
Visibility	12.2 ^km
Wind Direction	SSW (186.2 °)

Weather Element	Total
Heating Degree Days	20.7 (Base 18.3)

Total Years on Record: 21

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