ST. LOUIS - GATEWAY ARCH, MISSOURI

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Elevation: 137 meters Latitude: 38 37N Longitude: 090 11W

WEATHER

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DAILY WEATHER AVERAGE - 12 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-0.1 ^°C	4.3 ^°C	-4.6 ^°C	14.4 ^°C (2005)	-18.3 ^°C (2014)
Dewpoint	-6.4 ^°C	-3.2 ^°C	-9.1 ^°C	3.3 ^°C (2005)	-20 ^°C (2012)
Humidity	65.1 ^%	82 ^%	48.7 ^%		23 ^% (2012)
Barometer	1023.4 ^hPa	1026.8 ^hPa	1019.6 ^hPa	1036.2 ^hPa (2012)	1010.5 ^hPa (2005)
Wind Speed	12.7 ^km/h	23.8 ^km/h		50.1 ^km/h (2015)
Wind Gust		43.8 ^km/h		68.6 ^km/h (2015)
Precipitation	10.16 ^mm			18.8 ^mm (2007)

Weather Element	Average
Visibility	15.6 ^km
Wind Direction	S (183.6 °)

Weather Element	Total
Heating Degree Days	18.6 (Base 18.3)

Total Years on Record: 22

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