CHESTERFIELD, MISSOURI

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

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DAILY WEATHER AVERAGE - 31 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.5 ^°C	4.9 ^°C	-4.1 ^°C	18.9 ^°C (2012)	(1996)
Dewpoint	-4.8 ^°C	-1.3 ^°C	-8.4 ^°C	11.1 ^°C (2012)	-26.1 ^°C (1996)
Humidity	70.7 ^%	85.5 ^%	52.2 ^%		31 ^% (1996)
Barometer	1018.6 ^hPa	1022.7 ^hPa	1014.6 ^hPa	1030.5 ^hPa (1996)	1004.4 ^hPa (1997)
Wind Speed	16.1 ^km/h	27.8 ^km/h		42.6 ^km/h (2013)
Wind Gust		44.7 ^km/h		57.5 ^km/h (2013)
Precipitation	29.46 ^mm			69.09 ^mm (1999)

Weather Element	Average
Visibility	13.5 ^km
Wind Direction	S (182.5 °)

Weather Element	Total
Heating Degree Days	17.9 (Base 18.3)
Growing Degree Days	4.8 (Base 10)

Total Years on Record: 19

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