ST. CHARLES COUNTY SMARTT AIRPORT, MISSOURI

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Elevation: 436 feet Latitude: 38 56N Longitude: 090 26W

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DAILY WEATHER AVERAGE - JULY 21

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	79.3 ^°F	89.3 ^°F	70.5 ^°F	100.9 ^°F (2011)	57.9 ^°F (2007)
Dewpoint	69.3 ^°F	73.7 ^°F	65.5 ^°F	84.9 ^°F (2002)	51.1 ^°F (2012)
Humidity	73.7 ^%	93.2 ^%	50.8 ^%		32 ^% (2012)
Barometer	29.95 ⁱⁿ	30.01 ⁱⁿ	29.89 ⁱⁿ	30.22 ⁱⁿ (2007)	29.68 ⁱⁿ (2003)
Wind Speed	5.1 ^mph	12.5 ^mph		24.2 ^mph (2008)
Wind Gust		28.3 ^mph		43.7 ^mph (2008)
Precipitation	0.95 ⁱⁿ			1.85 ⁱⁿ (2010)

Weather Element	Average
Visibility	8.3 ^mi
Wind Direction	ESE (123.9 °)

Weather Element	Total
Cooling Degree Days	14.9 (Base 18.3)
Growing Degree Days	29.9 (Base 10)

Total Years on Record: 17

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