ST. CHARLES COUNTY SMARTT AIRPORT, MISSOURI

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Elevation: 133 meters Latitude: 38 56N Longitude: 090 26W

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DAILY WEATHER AVERAGE - 18 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	18.1 ^°C	23.8 ^°C	12.3 ^°C	30.6 ^°C (2012)	5.6 ^°C (2002)
Dewpoint	10.9 ^°C	13.9 ^°C	7.9 ^°C	22.2 ^°C (2000)	-1.1 ^°C (2007)
Humidity	67 ^%	91.3 ^%	44.3 ^%		23 ^% (2007)
Barometer	1015.2 ^hPa	1017.3 ^hPa	1013.2 ^hPa	1028.8 ^hPa (2009)	1002 ^hPa (2008)
Wind Speed	11.9 ^km/h	25.9 ^km/h		46.3 ^km/h (2004)
Wind Gust		42.5 ^km/h		76 ^km/h (2004)
Precipitation	26.67 ^mm			57.66 ^mm (2004)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (151 °)

Total Years on Record: 16

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