ST. LOUIS - GATEWAY ARCH, MISSOURI

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Elevation: 450 feet Latitude: 38 37N Longitude: 090 11W

WEATHER

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DAILY WEATHER AVERAGE - JANUARY 27

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	32.7 ^°F	41.3 ^°F	24 ^°F	66.9 ^°F (1999)	7 ^°F (2003)
Dewpoint	22.9 ^°F	28.4 ^°F	17.2 ^°F	51.1 ^°F (1999)	-9 ^°F (2008)
Humidity	70.1 ^%	85 ^%	52.3 ^%		25 ^% (2008)
Barometer	30.19 ⁱⁿ	30.33 ⁱⁿ	30.05 ⁱⁿ	30.61 ⁱⁿ (2003)	29.72 ⁱⁿ (1995)
Wind Speed	9.4 ^mph	20.6 ^mph		115.1 ^mph (1997)
Wind Gust		24.2 ^mph		35.7 ^mph (2014)
Precipitation	0.15 ⁱⁿ			0.33 ⁱⁿ (2009)

Weather Element	Average
Visibility	8.7 ^mi
Wind Direction	S (181.5 °)

Weather Element	Total
Heating Degree Days	32.4 (Base 18.3)
Growing Degree Days	7.9 (Base 10)

Total Years on Record: 22

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