ST. LOUIS, MISSOURI

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

WEATHER

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DAILY WEATHER AVERAGE - 19 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	0.7 ^°C	5.2 ^°C	-4 ^°C	19 ^°C (1997)	-18.9 ^°C (2000)
Dewpoint	-3.7 ^°C	-0.1 ^°C	-7.5 ^°C	9.4 ^°C (2008)	-20.6 ^°C (2001)
Humidity	74.4 ^%	89.9 ^%	55.2 ^%		26 ^% (2001)
Barometer	1020 ^hPa	1024.4 ^hPa	1015.6 ^hPa	1040 ^hPa (2005)	999.3 ^hPa (2012)
Wind Speed	11.7 ^km/h	24 ^km/h		50.1 ^km/h (2008)
Wind Gust		45.4 ^km/h		70.3 ^km/h (2008)
Precipitation	17.02 ^mm			50.04 ^mm (2008)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	SSE (162.1 °)

Weather Element	Total
Heating Degree Days	17.7 (Base 18.3)
Growing Degree Days	1.1 (Base 10)

Total Years on Record: 21

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