CHESTERFIELD, MISSOURI

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

WEATHER

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Number of Records: 192,734; Date Range: 1/1/95 - 5/18/13

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WEATHER ALMANAC - 20 FEBRUARY, 2013

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	-5.2 ^°C	-3.3 ^°C (2:51 pm)	-7.8 ^°C (5:51 am)
Dewpoint	-12.6 ^°C	-11.1 ^°C (9:51 pm)	-13.9 ^°C (2:51 am)
Humidity	57.4 ^%	68 ^% (11:51 pm)	49 ^% (2:51 pm)
Barometer	1029.1 ^hPa	1031.5 hPa (10:51 am)	1027.4 hPa (3:51 am)
Wind Speed	10.3 ^km/h	14.8 ^km/h (4:51 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSE (141.7 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	23.9 (Base 18.3)

Averaged from 23 records on 20 February, 2013

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WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 20 FEBRUARY, 2013

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
1:51 AM	-5.6 ^°C	-12.8 ^°C	58 ^%	1028.1 hPa	16.1 ^km	WNW (300°)	13 ^km/h	Partly Cloudy
2:51 AM	-5.6 ^°C	-13.9 ^°C	53 ^%	1027.8 hPa	16.1 ^km	NW (310°)	13 ^km/h	Scattered Clouds
3:51 AM	-6.1 ^°C	-13.3 ^°C	57 ^%	1027.4 hPa	16.1 ^km	North (10°)	11.1 ^km/h	Scattered Clouds
4:51 AM	-7.2 ^°C	-13.9 ^°C	59 ^%	1028.1 hPa	16.1 ^km	NNW (340°)	11.1 ^km/h	Partly Cloudy
5:51 AM	-7.8 ^°C	-13.3 ^°C	65 ^%	1029.1 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h	Partly Cloudy
6:51 AM	-7.8 ^°C	-13.3 ^°C	65 ^%	1029.5 hPa	16.1 ^km	North (10°)	11.1 ^km/h	Mostly Cloudy
7:51 AM	-7.2 ^°C	-13.3 ^°C	62 ^%	1030.5 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h	Mostly Cloudy
8:51 AM	-6.7 ^°C	-13.3 ^°C	60 ^%	1031.2 hPa	16.1 ^km	NW (320°)	9.3 ^km/h	Mostly Cloudy
9:51 AM	-5.6 ^°C	-13.3 ^°C	55 ^%	1031.2 hPa	16.1 ^km	NW (320°)	9.3 ^km/h	Mostly Cloudy
10:51 AM	-5.6 ^°C	-12.8 ^°C	58 ^%	1031.5 hPa	16.1 ^km	North (10°)	9.3 ^km/h	Overcast
11:51 AM	-4.4 ^°C	-12.2 ^°C	55 ^%	1031.2 hPa	16.1 ^km	NNW (340°)	13 ^km/h	Overcast
12:51 PM	-4.4 ^°C	-11.7 ^°C	57 ^%	1030.5 hPa	16.1 ^km	Variable	9.3 ^km/h	Overcast
1:51 PM	-3.9 ^°C	-11.7 ^°C	55 ^%	1029.8 hPa	16.1 ^km	Calm		Overcast
2:51 PM	-3.3 ^°C	-12.8 ^°C	49 ^%	1028.8 hPa	16.1 ^km	NNE (30°)	9.3 ^km/h	Overcast
3:51 PM	-3.3 ^°C	-12.8 ^°C	49 ^%	1028.4 hPa	16.1 ^km	NE (50°)	11.1 ^km/h	Mostly Cloudy
4:51 PM	-3.3 ^°C	-12.8 ^°C	49 ^%	1028.1 hPa	16.1 ^km	NE (50°)	14.8 ^km/h	Mostly Cloudy
5:51 PM	-3.3 ^°C	-12.2 ^°C	51 ^%	1028.1 hPa	16.1 ^km	ENE (60°)	9.3 ^km/h	Mostly Cloudy
6:51 PM	-3.9 ^°C	-12.2 ^°C	53 ^%	1027.8 hPa	16.1 ^km	ENE (70°)	11.1 ^km/h	Mostly Cloudy
7:51 PM	-4.4 ^°C	-11.7 ^°C	57 ^%	1028.1 hPa	16.1 ^km	East (90°)	13 ^km/h	Scattered Clouds
8:51 PM	-4.4 ^°C	-11.7 ^°C	57 ^%	1028.4 hPa	16.1 ^km	ENE (60°)	9.3 ^km/h	Scattered Clouds
9:51 PM	-5 ^°C	-11.1 ^°C	63 ^%	1028.1 hPa	16.1 ^km	ENE (70°)	11.1 ^km/h	Mostly Cloudy
10:51 PM	-5.6 ^°C	-11.1 ^°C	66 ^%	1028.4 hPa	16.1 ^km	ENE (60°)	11.1 ^km/h	Scattered Clouds
11:51 PM	-6.1 ^°C	-11.1 ^°C	68 ^%	1028.1 hPa	16.1 ^km	East (90°)	9.3 ^km/h	Scattered Clouds

Hourly data recorded from KSTL, located 14.63 kilometers away from Chesterfield, Missouri