ST CHARLES, MISSOURI

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Elevation: 183 meters Latitude: 38 40N Longitude: 090 44W

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.8 ^°C	13 ^°C	2.7 ^°C	19 ^°C (2013)	1 ^°C (2013)
Dewpoint	3.6 ^°C	8.3 ^°C	-0.7 ^°C	15 ^°C (2013)	-3 ^°C (2015)
Humidity	76.9 ^%	91.3 ^%	61.3 ^%		35 ^% ()
Barometer	1016.9 ^hPa	1020.7 ^hPa	1013.5 ^hPa	1025.1 ^hPa (2014)	1006.1 ^hPa (2013)
Wind Speed	15.3 ^km/h	27.2 ^km/h		35.2 ^km/h (2013)
Wind Gust		47.3 ^km/h		48.1 ^km/h (2015)
Precipitation	0.51 ^mm			0.51 ^mm (2015)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SSE (173.3 °)

Weather Element	Total
Heating Degree Days	10.5 (Base 18.3)

Total Years on Record: 3

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