CHESTERFIELD, MISSOURI

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

WEATHER

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DAILY WEATHER AVERAGE - FEBRUARY 20

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	41.1 ^°F	51.4 ^°F	32.3 ^°F	75.9 ^°F (1996)	16 ^°F (2008)
Dewpoint	30 ^°F	37.3 ^°F	23.4 ^°F	62.1 ^°F (1997)	1.4 ^°F (1996)
Humidity	67.4 ^%	85.6 ^%	48.5 ^%		23 ^% (1996)
Barometer	30.04 ⁱⁿ	30.20 ⁱⁿ	29.89 ⁱⁿ	30.51 ⁱⁿ (2000)	29.38 ⁱⁿ (2004)
Wind Speed	10.1 ^mph	17.3 ^mph		29.9 ^mph (2004)
Wind Gust		28.2 ^mph		40.3 ^mph (2004)
Precipitation	0.22 ⁱⁿ			0.97 ⁱⁿ (1997)

Weather Element	Average
Visibility	8.9 ^mi
Wind Direction	S (178.1 °)

Weather Element	Total
Heating Degree Days	23.2 (Base 18.3)
Growing Degree Days	5.3 (Base 10)

Total Years on Record: 19

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