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 - 1 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	25.1 ^°C	30.6 ^°C (4:51 pm)	20.6 ^°C (4:51 am)
Dewpoint	19.9 ^°C	22 ^°C (12:02 pm)	17.8 ^°C (5:51 am)
Humidity	74.4 ^%	94 ^% (2:40 am)	48 ^% (7:51 pm)
Barometer	1011.9 ^hPa	1014.9 hPa (3:51 pm)	1008.8 hPa (1:51 am)
Wind Speed	18.5 ^km/h	42.6 ^km/h (9:13 pm)
Wind Gust		59.2 ^km/h (8:12 pm)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSW (215.6 °)

Weather Element	Total
Precipitation	113.54 ^mm
Cooling Degree Days	7.3 (Base 18.3)
Growing Degree Days	15.6 (Base 10)

Averaged from 36 records on 1 September, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 1 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:51 AM	26.1 ^°C	21.7 ^°C	77 ^%	1010.5 hPa	16.1 ^km	South (190°)	16.7 ^km/h				Partly Cloudy
1:51 AM	25.6 ^°C	21.7 ^°C	79 ^%	1011.2 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h				Partly Cloudy
2:51 AM	25.6 ^°C	21.7 ^°C	79 ^%	1010.8 hPa	14.5 ^km	SSW (200°)	16.7 ^km/h				Partly Cloudy
3:51 AM	26 ^°C	22 ^°C	78 ^%	1011.2 hPa	14.5 ^km	SSW (200°)	18.5 ^km/h				Scattered Clouds
4:51 AM	25.6 ^°C	21.7 ^°C	79 ^%	1010.2 hPa	16.1 ^km	SW (220°)	18.5 ^km/h				Scattered Clouds
5:51 AM	25 ^°C	21.7 ^°C	82 ^%	1010.8 hPa	16.1 ^km	SSW (210°)	22.2 ^km/h				Mostly Cloudy
6:51 AM	25 ^°C	22 ^°C	83 ^%	1012.9 hPa	14.5 ^km	SW (220°)	18.5 ^km/h				Mostly Cloudy
7:51 AM	24 ^°C	18 ^°C	69 ^%	1013.2 hPa	16.1 ^km	WSW (250°)	22.2 ^km/h	33.3 ^km/h			Overcast
8:51 AM	22.8 ^°C	18.3 ^°C	76 ^%	1009.5 hPa	16.1 ^km	SSE (160°)	20.4 ^km/h		0 mm		Overcast
9:51 AM	24 ^°C	18 ^°C	69 ^%	1008.8 hPa	16.1 ^km	SSW (200°)	20.4 ^km/h				Overcast
10:51 AM	26.1 ^°C	18.3 ^°C	62 ^%	1009.8 hPa	16.1 ^km	SW (230°)	31.5 ^km/h	42.6 ^km/h			Overcast
11:51 AM	26.1 ^°C	17.8 ^°C	60 ^%	1011.2 hPa	16.1 ^km	West (260°)	18.5 ^km/h				Overcast
12:51 PM	27.8 ^°C	18.3 ^°C	56 ^%	1011.2 hPa	16.1 ^km	West (270°)	20.4 ^km/h				Mostly Cloudy
1:51 PM	30 ^°C	18.9 ^°C	51 ^%	1011.9 hPa	16.1 ^km	NW (310°)	18.5 ^km/h				Mostly Cloudy
2:51 PM	30 ^°C	18.3 ^°C	49 ^%	1011.2 hPa	16.1 ^km	WNW (290°)	7.4 ^km/h				Mostly Cloudy
3:51 PM	30.6 ^°C	18.3 ^°C	48 ^%	1011.2 hPa	16.1 ^km	SW (230°)	22.2 ^km/h				Mostly Cloudy
4:51 PM	30 ^°C	18.9 ^°C	51 ^%	1011.5 hPa	16.1 ^km	West (260°)	14.8 ^km/h				Scattered Clouds
5:51 PM	29.4 ^°C	18.9 ^°C	53 ^%	1011.5 hPa	16.1 ^km	SSW (210°)	13 ^km/h				Scattered Clouds
6:51 PM	28.9 ^°C	18.3 ^°C	53 ^%	1010.8 hPa	16.1 ^km	Variable	5.6 ^km/h				Overcast
7:20 PM	27 ^°C	19 ^°C	61 ^%	1012.5 hPa	8 ^km	WNW (300°)	7.4 ^km/h		0.25 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
7:51 PM	25.6 ^°C	21.1 ^°C	76 ^%	1011.2 hPa	11.3 ^km	NNW (340°)	7.4 ^km/h		0.25 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
8:00 PM	25 ^°C	21 ^°C	78 ^%	1012.2 hPa	16.1 ^km	North (10°)	5.6 ^km/h		0 mm		Overcast
8:51 PM	25 ^°C	21.1 ^°C	79 ^%	1010.8 hPa	16.1 ^km	ENE (60°)	16.7 ^km/h		0 mm		Overcast
9:10 PM	26 ^°C	21 ^°C	74 ^%	1012.2 hPa	11.3 ^km	SW (230°)	31.5 ^km/h	57.5 ^km/h	0 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
9:13 PM	26 ^°C	21 ^°C	74 ^%	1013.2 hPa	11.3 ^km	West (280°)	42.6 ^km/h	59.2 ^km/h	0 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
9:15 PM	24 ^°C	21 ^°C	83 ^%	1013.2 hPa	3.2 ^km	West (280°)	42.6 ^km/h	59.2 ^km/h	0 mm	Rain-Thunderstorm	Thunderstorms and Rain
9:24 PM	23 ^°C	21 ^°C	88 ^%	1013.2 hPa	6.4 ^km	WNW (300°)	27.8 ^km/h	59.2 ^km/h	4.06 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
9:36 PM	23 ^°C	21 ^°C	88 ^%	1012.5 hPa	11.3 ^km	NW (320°)	11.1 ^km/h	25.9 ^km/h	4.06 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
9:51 PM	23 ^°C	21 ^°C	88 ^%	1012.2 hPa	16.1 ^km	NE (50°)	13 ^km/h			Rain	Light Rain
10:16 PM	22 ^°C	20 ^°C	88 ^%	1012.5 hPa	12.9 ^km	North (360°)	27.8 ^km/h	37 ^km/h	0.76 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
10:37 PM	22 ^°C	21 ^°C	94 ^%	1012.9 hPa	6.4 ^km	NNW (340°)	27.8 ^km/h		5.08 mm	Rain-Thunderstorm	Thunderstorms and Rain
10:51 PM	20.6 ^°C	19.4 ^°C	93 ^%	1011.2 hPa	3.2 ^km	NNW (340°)	25.9 ^km/h		11.94 mm	Rain-Thunderstorm	Thunderstorms and Rain
10:57 PM	21 ^°C	19 ^°C	88 ^%	1014.9 hPa	1.9 ^km	West (280°)	13 ^km/h		7.37 mm	Rain-Thunderstorm	Thunderstorms and Rain
11:16 PM	21 ^°C	20 ^°C	94 ^%	1013.5 hPa	3.2 ^km	Calm			24.13 mm	Rain-Thunderstorm	Thunderstorms and Rain
11:28 PM	21 ^°C	19 ^°C	88 ^%	1012.5 hPa	6.4 ^km	East (80°)	13 ^km/h		26.92 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
11:51 PM	21.1 ^°C	19.4 ^°C	90 ^%	1011.2 hPa	9.7 ^km	East (80°)	13 ^km/h		28.7 mm	Rain-Thunderstorm	Light Thunderstorms and Rain

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