CHESTERFIELD, MISSOURI

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

WEATHER

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DAILY WEATHER AVERAGE - 16 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.3 ^°C	6.1 ^°C	-1.6 ^°C	18.3 ^°C (2006)	-15 ^°C (2000)
Dewpoint	-2.2 ^°C	0.8 ^°C	-5.6 ^°C	12.2 ^°C (2006)	-18.3 ^°C (2015)
Humidity	74.3 ^%	87.7 ^%	59.2 ^%		33 ^% (1997)
Barometer	1018.3 ^hPa	1023 ^hPa	1013.9 ^hPa	1038.6 ^hPa (2008)	1003 ^hPa (2003)
Wind Speed	15.3 ^km/h	26.2 ^km/h		50.1 ^km/h (2000)
Wind Gust		48.1 ^km/h		62.9 ^km/h (2000)
Precipitation	8.38 ^mm			40.89 ^mm (2001)

Weather Element	Average
Visibility	13 ^km
Wind Direction	SSW (205 °)

Weather Element	Total
Heating Degree Days	16.1 (Base 18.3)
Growing Degree Days	2.2 (Base 10)

Total Years on Record: 21

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