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ST. LOUIS - GATEWAY ARCH, MISSOURI

Home > North America > United States > Missouri
Elevation: 450 feet Latitude: 38 37N Longitude: 090 11W

WEATHER

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DAILY WEATHER AVERAGE - JANUARY 18

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	30.6 ^°F	39.1 ^°F	21.5 ^°F	63 ^°F (1996)	5 ^°F (1997)
Dewpoint	22.2 ^°F	30 ^°F	17.6 ^°F	56.8 ^°F (1996)	1 ^°F (2008)
Humidity	72.6 ^%	89.1 ^%	56.4 ^%		34 ^% (2008)
Barometer	30.10 ⁱⁿ	30.25 ⁱⁿ	29.95 ⁱⁿ	30.84 ⁱⁿ (2005)	29.25 ⁱⁿ (1996)
Wind Speed	9.1 ^mph	15.9 ^mph		27.6 ^mph (1996)
Wind Gust		23.5 ^mph		40.3 ^mph (1996)
Precipitation	0.14 ⁱⁿ			0.20 ⁱⁿ (2002)

Weather Element	Average
Visibility	8.1 ^mi
Wind Direction	SSW (203 °)

Weather Element	Total
Heating Degree Days	34.7 (Base 18.3)

Total Years on Record: 19

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