MOUNT VERNON, ILLINOIS

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Elevation: 473 feet Latitude: 38 19N Longitude: 088 51W

WEATHER

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DAILY WEATHER AVERAGE - JANUARY 21

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	29.9 ^°F	38.9 ^°F	21.3 ^°F	66.2 ^°F (1999)	3.2 ^°F (2011)
Dewpoint	20.7 ^°F	28 ^°F	15.3 ^°F	59 ^°F (1999)	-2.2 ^°F (2008)
Humidity	70 ^%	84.8 ^%	54.5 ^%		25 ^% (2008)
Barometer	30.14 ⁱⁿ	30.24 ⁱⁿ	29.99 ⁱⁿ	30.67 ⁱⁿ (2008)	29.50 ⁱⁿ (2010)
Wind Speed	6.4 ^mph	14.3 ^mph		21.9 ^mph (1997)
Wind Gust		21.9 ^mph		31.1 ^mph (1997)
Precipitation	0.68 ⁱⁿ			1.43 ⁱⁿ (1999)

Weather Element	Average
Visibility	9.1 ^mi
Wind Direction	SE (131.9 °)

Weather Element	Total
Heating Degree Days	34.9 (Base 18.3)
Growing Degree Days	6.3 (Base 10)

Total Years on Record: 22

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