MOUNT VERNON, ILLINOIS

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Elevation: 144 meters Latitude: 38 19N Longitude: 088 51W

WEATHER

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DAILY WEATHER AVERAGE - 6 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.6 ^°C	5.5 ^°C	-3.5 ^°C	22 ^°C (1998)	(2002)
Dewpoint	-3 ^°C	0.2 ^°C	-6.6 ^°C	17 ^°C (1998)	-14.5 ^°C (1995)
Humidity	73.1 ^%	89.5 ^%	58.2 ^%		26 ^% (1995)
Barometer	1021.7 ^hPa	1025.4 ^hPa	1017.9 ^hPa	1035.6 ^hPa (2014)	1000.3 ^hPa (1996)
Wind Speed	8.5 ^km/h	19.8 ^km/h		51.8 ^km/h (1998)
Wind Gust		32.8 ^km/h		61.2 ^km/h (1998)
Precipitation	13.46 ^mm			27.69 ^mm (2001)

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	SSE (149.3 °)

Weather Element	Total
Heating Degree Days	17.3 (Base 18.3)
Growing Degree Days	4.3 (Base 10)

Total Years on Record: 21

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