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 - 21 SEPTEMBER, 2013

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	17.3 ^°C	22 ^°C (4:51 pm)	12 ^°C (6:51 am)
Dewpoint	10.3 ^°C	13 ^°C (7:51 am)	6 ^°C (10:51 am)
Humidity	66.8 ^%	100 ^% (6:51 am)	40 ^% (10:51 am)
Barometer	1013.9 ^hPa	1015.2 hPa (10:51 am)	1012.9 hPa (2:51 am)
Wind Speed	13 ^km/h	24.1 ^km/h (12:51 pm)
Wind Gust		31.5 ^km/h (1:51 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	W (267.8 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	1.3 (Base 18.3)
Growing Degree Days	7 (Base 10)

Averaged from 23 records on 21 September, 2013

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 21 SEPTEMBER, 2013

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
1:51 AM	15 ^°C	12 ^°C	82 ^%	1013.2 hPa	16.1 ^km	WNW (300°)	11.1 ^km/h		Scattered Clouds
2:51 AM	14 ^°C	12 ^°C	88 ^%	1012.9 hPa	16.1 ^km	WNW (290°)	13 ^km/h		Partly Cloudy
3:51 AM	14 ^°C	12 ^°C	88 ^%	1012.9 hPa	16.1 ^km	WNW (290°)	13 ^km/h		Clear
4:51 AM	13 ^°C	12 ^°C	94 ^%	1012.9 hPa	16.1 ^km	WNW (290°)	11.1 ^km/h		Clear
5:51 AM	13 ^°C	12 ^°C	94 ^%	1013.5 hPa	16.1 ^km	WNW (290°)	11.1 ^km/h		Clear
6:51 AM	12 ^°C	12 ^°C	100 ^%	1013.9 hPa	16.1 ^km	WNW (300°)	13 ^km/h		Partly Cloudy
7:51 AM	14 ^°C	13 ^°C	94 ^%	1014.2 hPa	16.1 ^km	WNW (300°)	7.4 ^km/h		Partly Cloudy
8:51 AM	15 ^°C	12 ^°C	82 ^%	1014.6 hPa	16.1 ^km	NW (320°)	20.4 ^km/h		Partly Cloudy
9:51 AM	16 ^°C	9 ^°C	63 ^%	1014.9 hPa	16.1 ^km	NW (320°)	20.4 ^km/h		Partly Cloudy
10:51 AM	20 ^°C	6 ^°C	40 ^%	1015.2 hPa	16.1 ^km	North (350°)	16.7 ^km/h		Partly Cloudy
11:51 AM	21 ^°C	8 ^°C	43 ^%	1014.9 hPa	16.1 ^km	NNW (340°)	20.4 ^km/h	27.8 ^km/h	Partly Cloudy
12:51 PM	20 ^°C	8 ^°C	46 ^%	1014.6 hPa	16.1 ^km	NW (320°)	24.1 ^km/h		Partly Cloudy
1:51 PM	21 ^°C	10 ^°C	49 ^%	1013.9 hPa	16.1 ^km	NW (310°)	16.7 ^km/h	31.5 ^km/h	Partly Cloudy
2:51 PM	21 ^°C	10 ^°C	49 ^%	1013.5 hPa	16.1 ^km	NW (310°)	18.5 ^km/h		Partly Cloudy
3:51 PM	21 ^°C	9 ^°C	46 ^%	1013.2 hPa	16.1 ^km	NW (310°)	20.4 ^km/h	27.8 ^km/h	Partly Cloudy
4:51 PM	22 ^°C	9 ^°C	43 ^%	1012.9 hPa	16.1 ^km	NW (320°)	16.7 ^km/h		Partly Cloudy
5:51 PM	22 ^°C	9 ^°C	43 ^%	1013.2 hPa	16.1 ^km	NW (310°)	14.8 ^km/h		Clear
6:51 PM	20 ^°C	10 ^°C	52 ^%	1012.9 hPa	16.1 ^km	WNW (300°)	13 ^km/h		Clear
7:51 PM	18 ^°C	10 ^°C	59 ^%	1013.2 hPa	16.1 ^km	WNW (300°)	9.3 ^km/h		Clear
8:51 PM	18 ^°C	10 ^°C	59 ^%	1013.9 hPa	16.1 ^km	WNW (290°)	7.4 ^km/h		Clear
9:51 PM	17 ^°C	11 ^°C	68 ^%	1013.9 hPa	16.1 ^km	Calm			Clear
10:51 PM	15 ^°C	11 ^°C	77 ^%	1013.9 hPa	16.1 ^km	Calm			Clear
11:51 PM	15 ^°C	11 ^°C	77 ^%	1014.2 hPa	16.1 ^km	Calm			Clear

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