MOUNT VERNON, ILLINOIS

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

WEATHER

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DAILY WEATHER AVERAGE - 26 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.7 ^°C	4.6 ^°C	-4.1 ^°C	19 ^°C (2015)	-12 ^°C (2000)
Dewpoint	-4 ^°C	-0.9 ^°C	-7.9 ^°C	17 ^°C (2015)	-16 ^°C (1999)
Humidity	72.4 ^%	89.5 ^%	57.3 ^%		26 ^% (1999)
Barometer	1021 ^hPa	1024.4 ^hPa	1017.6 ^hPa	1037.9 ^hPa (2000)	1007.8 ^hPa (2012)
Wind Speed	9.3 ^km/h	22.2 ^km/h		44.4 ^km/h (2009)
Wind Gust		38.6 ^km/h		55.5 ^km/h (2009)
Precipitation	25.91 ^mm			100.84 ^mm (2015)

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	SSE (155.2 °)

Weather Element	Total
Heating Degree Days	18.1 (Base 18.3)
Growing Degree Days	3.5 (Base 10)

Total Years on Record: 21

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