WEST ALTON, MISSOURI

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Elevation: 417 feet Latitude: 38 52N Longitude: 090 10W

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DAILY WEATHER AVERAGE - DECEMBER 17

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	33.3 ^°F	40.3 ^°F	26.8 ^°F	60.8 ^°F (2002)	3.2 ^°F (2000)
Dewpoint	26.8 ^°F	31.3 ^°F	23.2 ^°F	55.4 ^°F (2006)	3.2 ^°F (2009)
Humidity	78.4 ^%	92.2 ^%	62.7 ^%		34 ^% (2009)
Barometer	30.11 ⁱⁿ	30.20 ⁱⁿ	30.03 ⁱⁿ	30.53 ⁱⁿ (2005)	29.68 ⁱⁿ (2002)
Wind Speed	8.6 ^mph	15.2 ^mph		20.7 ^mph (2002)
Wind Gust		20 ^mph		32.2 ^mph (2002)
Precipitation	---			--- ()

Weather Element	Average
Visibility	8.7 ^mi
Wind Direction	SSW (187.5 °)

Weather Element	Total
Heating Degree Days	31.4 (Base 18.3)
Growing Degree Days	0.9 (Base 10)

Total Years on Record: 21

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