ST. LOUIS, MISSOURI

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

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DAILY WEATHER AVERAGE - 17 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	24.3 ^°C	30.4 ^°C	18.9 ^°C	36.1 ^°C (2003)	12.8 ^°C (2013)
Dewpoint	19.2 ^°C	21.4 ^°C	17.1 ^°C	26.1 ^°C (1995)	8.9 ^°C (2012)
Humidity	75.8 ^%	95.8 ^%	50.9 ^%		30 ^% (2012)
Barometer	1015.6 ^hPa	1017.9 ^hPa	1013.5 ^hPa	1022 ^hPa (2013)	1008.5 ^hPa (2014)
Wind Speed	6.4 ^km/h	18.5 ^km/h		42.6 ^km/h (1997)
Wind Gust		44.4 ^km/h		70.3 ^km/h (1997)
Precipitation	20.32 ^mm			95.76 ^mm (2009)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	ESE (98.7 °)

Weather Element	Total
Cooling Degree Days	6.4 (Base 18.3)
Growing Degree Days	14.7 (Base 10)

Total Years on Record: 20

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