MACKINAW, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-2.2 ^°C	1.2 ^°C	-5.2 ^°C	12.2 ^°C (2002)	-17.2 ^°C (2000)
Dewpoint	-5.1 ^°C	-2.9 ^°C	-7.7 ^°C	12 ^°C (2002)	-15 ^°C (2009)
Humidity	77.3 ^%	89.8 ^%	62.2 ^%		43 ^% (2009)
Barometer	1020 ^hPa	1023.4 ^hPa	1015.9 ^hPa	1036.6 ^hPa (2005)	1004.1 ^hPa (2002)
Wind Speed	12.2 ^km/h	21.6 ^km/h		33.3 ^km/h (2000)
Wind Gust		37.7 ^km/h		46.3 ^km/h (2002)
Precipitation	1.02 ^mm			2.79 ^mm (2001)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSW (197.3 °)

Weather Element	Total
Heating Degree Days	20.3 (Base 18.3)

Total Years on Record: 21

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