ST. LOUIS, MISSOURI

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

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DAILY WEATHER AVERAGE - 21 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.4 ^°C	8.6 ^°C	-1.3 ^°C	18 ^°C (1997)	-8.3 ^°C (2008)
Dewpoint	-1.8 ^°C	1.5 ^°C	-5.5 ^°C	15 ^°C (1997)	-16.7 ^°C (2014)
Humidity	72.1 ^%	90 ^%	51.9 ^%		20 ^% (2007)
Barometer	1016.9 ^hPa	1022.7 ^hPa	1012.2 ^hPa	1035.6 ^hPa (2001)	991.9 ^hPa (1997)
Wind Speed	13.4 ^km/h	25.3 ^km/h		44.4 ^km/h (2013)
Wind Gust		41.8 ^km/h		53.8 ^km/h (2013)
Precipitation	15.75 ^mm			29.21 ^mm (2013)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSE (161.4 °)

Weather Element	Total
Heating Degree Days	14.7 (Base 18.3)
Growing Degree Days	0.5 (Base 10)

Total Years on Record: 22

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