CHESTERFIELD, MISSOURI

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Elevation: 170 meters Latitude: 38 41N Longitude: 090 31W

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DAILY WEATHER AVERAGE - 2 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	25.1 ^°C	30.3 ^°C	20.3 ^°C	38.3 ^°C (2011)	13.3 ^°C (2009)
Dewpoint	17.9 ^°C	19.4 ^°C	16.3 ^°C	25 ^°C (2000)	8.3 ^°C (2007)
Humidity	67.3 ^%	86.8 ^%	46.6 ^%		23 ^% (2007)
Barometer	1015.6 ^hPa	1017.6 ^hPa	1013.9 ^hPa	1024 ^hPa (2009)	1007.1 ^hPa (2012)
Wind Speed	10.1 ^km/h	20.4 ^km/h		42.6 ^km/h (1997)
Wind Gust		35.9 ^km/h		57.5 ^km/h (1997)
Precipitation	27.94 ^mm			68.07 ^mm (1997)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SE (136.5 °)

Weather Element	Total
Cooling Degree Days	6.9 (Base 18.3)
Growing Degree Days	15.3 (Base 10)

Total Years on Record: 21

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