ST. LOUIS, MISSOURI

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

WEATHER

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DAILY WEATHER AVERAGE - 12 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.2 ^°C	6.3 ^°C	-2.7 ^°C	22.2 ^°C (2015)	-14.4 ^°C (2000)
Dewpoint	-2 ^°C	1.1 ^°C	-4.8 ^°C	16.7 ^°C (2015)	-18.3 ^°C (2012)
Humidity	76.3 ^%	91.3 ^%	57.7 ^%		26 ^% (2012)
Barometer	1021.3 ^hPa	1025.4 ^hPa	1017.6 ^hPa	1038.3 ^hPa (2000)	1002.7 ^hPa (2010)
Wind Speed	9.8 ^km/h	20.6 ^km/h		48.1 ^km/h (2010)
Wind Gust		42.8 ^km/h		68.6 ^km/h (2010)
Precipitation	10.92 ^mm			31.24 ^mm (2009)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSE (145.1 °)

Weather Element	Total
Heating Degree Days	16.5 (Base 18.3)
Growing Degree Days	2.7 (Base 10)

Total Years on Record: 21

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