CHESTERFIELD, MISSOURI

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Elevation: 170 meters Latitude: 38 41N Longitude: 090 31W

WEATHER

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Number of Records: 221,284; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 17 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	16.1 ^°C	18.9 ^°C (12:51 am)	12.2 ^°C (7:51 pm)
Dewpoint	12.3 ^°C	14.4 ^°C (12:51 am)	10 ^°C (12:51 pm)
Humidity	78.2 ^%	90 ^% (4:51 am)	72 ^% (11:51 am)
Barometer	1015.9 ^hPa	1019 hPa (9:20 am)	1013.5 hPa (5:51 am)
Wind Speed	10.3 ^km/h	18.5 ^km/h (7:31 pm)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	E (90.4 °)

Weather Element	Total
Precipitation	2.03 ^mm
Heating Degree Days	2.8 (Base 18.3)
Growing Degree Days	5.6 (Base 10)

Averaged from 27 records on 17 September, 2014

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WEATHER BY HOUR - 17 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:51 AM	12.8 ^°C	10 ^°C	83 ^%	1019 hPa	14.5 ^km	Calm				Clear
2:51 AM	12.2 ^°C	10 ^°C	86 ^%	1018.3 hPa	12.9 ^km	Calm				Clear
3:51 AM	12.2 ^°C	10 ^°C	86 ^%	1017.9 hPa	11.3 ^km	South (190°)	7.4 ^km/h			Partly Cloudy
4:51 AM	12.2 ^°C	10.6 ^°C	90 ^%	1017.3 hPa	12.9 ^km	Calm				Partly Cloudy
5:51 AM	12.2 ^°C	10 ^°C	86 ^%	1016.6 hPa	12.9 ^km	ESE (120°)	5.6 ^km/h			Partly Cloudy
6:51 AM	12.8 ^°C	10 ^°C	83 ^%	1016.3 hPa	11.3 ^km	ESE (120°)	7.4 ^km/h			Scattered Clouds
7:51 AM	14.4 ^°C	10.6 ^°C	78 ^%	1016.3 hPa	16.1 ^km	SE (140°)	11.1 ^km/h			Scattered Clouds
8:51 AM	15.6 ^°C	10.6 ^°C	72 ^%	1017.3 hPa	14.5 ^km	South (170°)	11.1 ^km/h			Mostly Cloudy
9:51 AM	16.1 ^°C	11.1 ^°C	72 ^%	1017.3 hPa	14.5 ^km	South (170°)	14.8 ^km/h			Overcast
10:51 AM	16.1 ^°C	11.1 ^°C	72 ^%	1016.9 hPa	12.9 ^km	SE (130°)	18.5 ^km/h	0 mm	Rain	Light Rain
11:51 AM	15.6 ^°C	13.3 ^°C	86 ^%	1016.6 hPa	11.3 ^km	ESE (120°)	16.7 ^km/h	2.03 mm	Rain	Light Rain
12:29 PM	17 ^°C	13 ^°C	77 ^%	1016.6 hPa	14.5 ^km	ESE (120°)	16.7 ^km/h	0 mm		Overcast
12:51 PM	16.7 ^°C	13.3 ^°C	80 ^%	1015.9 hPa	14.5 ^km	East (100°)	16.7 ^km/h	0 mm		Overcast
1:47 PM	18 ^°C	14 ^°C	77 ^%	1015.2 hPa	14.5 ^km	East (80°)	16.7 ^km/h			Mostly Cloudy
1:51 PM	18 ^°C	14 ^°C	77 ^%	1015.2 hPa	14.5 ^km	East (80°)	13 ^km/h			Mostly Cloudy
2:51 PM	18.9 ^°C	13.9 ^°C	73 ^%	1014.6 hPa	14.5 ^km	East (80°)	13 ^km/h			Mostly Cloudy
3:51 PM	18.9 ^°C	14.4 ^°C	75 ^%	1013.9 hPa	14.5 ^km	East (80°)	14.8 ^km/h			Overcast
4:51 PM	18.9 ^°C	13.9 ^°C	73 ^%	1013.5 hPa	14.5 ^km	East (90°)	11.1 ^km/h			Overcast
5:51 PM	18.3 ^°C	13.3 ^°C	73 ^%	1013.9 hPa	14.5 ^km	East (90°)	13 ^km/h			Overcast
6:51 PM	17.8 ^°C	13.3 ^°C	75 ^%	1014.6 hPa	14.5 ^km	East (90°)	13 ^km/h	0 mm	Rain	Light Rain
7:51 PM	17.2 ^°C	13.3 ^°C	78 ^%	1014.6 hPa	14.5 ^km	East (80°)	11.1 ^km/h	0 mm		Overcast
8:27 PM	17 ^°C	13 ^°C	77 ^%	1015.2 hPa	16.1 ^km	East (90°)	9.3 ^km/h			Overcast
8:51 PM	16.7 ^°C	12.8 ^°C	78 ^%	1014.9 hPa	16.1 ^km	ENE (70°)	13 ^km/h			Overcast
8:58 PM	17 ^°C	13 ^°C	77 ^%	1015.2 hPa	16.1 ^km	ENE (70°)	11.1 ^km/h			Overcast
9:51 PM	17.2 ^°C	12.8 ^°C	75 ^%	1015.6 hPa	16.1 ^km	Calm				Overcast
10:51 PM	17 ^°C	13 ^°C	77 ^%	1016.3 hPa	16.1 ^km	ENE (70°)	5.6 ^km/h			Overcast
11:51 PM	17.2 ^°C	12.8 ^°C	75 ^%	1015.9 hPa	16.1 ^km	East (90°)	5.6 ^km/h			Overcast

Hourly data recorded from KSTL, located 0 kilometers away from Chesterfield, Missouri