ST. LOUIS, MISSOURI

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Elevation: 163 meters Latitude: 38 45N Longitude: 090 22W

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DAILY WEATHER AVERAGE - 31 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	1.3 ^°C	5.9 ^°C	-3.6 ^°C	21.1 ^°C (2004)	-15 ^°C (2000)
Dewpoint	-3.5 ^°C	-0.6 ^°C	-5.8 ^°C	14.4 ^°C (2010)	-17.2 ^°C (2008)
Humidity	73.2 ^%	90.1 ^%	52.5 ^%		28 ^% (2008)
Barometer	1020.7 ^hPa	1024.7 ^hPa	1016.6 ^hPa	1041 ^hPa (2014)	1002.7 ^hPa (2010)
Wind Speed	10.9 ^km/h	22.7 ^km/h		40.7 ^km/h (2006)
Wind Gust		44.7 ^km/h		66.6 ^km/h (2010)
Precipitation	5.59 ^mm			13.21 ^mm (2010)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	S (175.8 °)

Weather Element	Total
Heating Degree Days	17.2 (Base 18.3)
Growing Degree Days	3.6 (Base 10)

Total Years on Record: 21

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