CHESTERFIELD, MISSOURI

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Elevation: 559 feet Latitude: 38 41N Longitude: 090 31W

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DAILY WEATHER AVERAGE - AUGUST 15

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	77.9 ^°F	87.2 ^°F	68.4 ^°F	105.1 ^°F (2007)	55 ^°F (2004)
Dewpoint	64.1 ^°F	67.9 ^°F	60.1 ^°F	79 ^°F (2010)	48 ^°F (2007)
Humidity	65.4 ^%	88.8 ^%	43.8 ^%		23 ^% (2007)
Barometer	30.01 ⁱⁿ	30.06 ⁱⁿ	29.95 ⁱⁿ	30.31 ⁱⁿ (2004)	29.65 ⁱⁿ (1997)
Wind Speed	6.5 ^mph	12.8 ^mph		27.6 ^mph (1997)
Wind Gust		22.2 ^mph		40.3 ^mph (1997)
Precipitation	1.09 ⁱⁿ			4.77 ⁱⁿ (1997)

Weather Element	Average
Visibility	8.8 ^mi
Wind Direction	SSE (142.7 °)

Weather Element	Total
Cooling Degree Days	12.9 (Base 18.3)
Growing Degree Days	27.9 (Base 10)

Total Years on Record: 20

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