CHESTERFIELD, MISSOURI

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

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

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WEATHER ALMANAC - 4 JANUARY, 2013

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	0.3 ^°C	5 ^°C (3:51 pm)	-3.9 ^°C (3:51 am)
Dewpoint	-6.9 ^°C	-5.6 ^°C (10:51 am)	-7.8 ^°C (3:51 am)
Humidity	60.1 ^%	78 ^% (1:51 am)	41 ^% (3:51 pm)
Barometer	1029.5 ^hPa	1031.5 hPa (9:51 am)	1027.4 hPa (11:51 pm)
Wind Speed	10.6 ^km/h	24.1 ^km/h (2:51 pm)

Weather Element	Average
Visibility	15.9 ^km
Wind Direction	SSW (205.2 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	17.8 (Base 18.3)

Averaged from 23 records on 4 January, 2013

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 4 JANUARY, 2013

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
1:51 AM	-3.3 ^°C	-6.7 ^°C	78 ^%	1029.8 hPa	16.1 ^km	West (270°)	11.1 ^km/h	Clear
2:51 AM	-3.3 ^°C	-7.2 ^°C	75 ^%	1030.1 hPa	16.1 ^km	West (260°)	9.3 ^km/h	Clear
3:51 AM	-3.9 ^°C	-7.8 ^°C	75 ^%	1030.5 hPa	16.1 ^km	West (280°)	9.3 ^km/h	Scattered Clouds
4:51 AM	-2.2 ^°C	-6.1 ^°C	75 ^%	1030.5 hPa	16.1 ^km	West (270°)	11.1 ^km/h	Mostly Cloudy
5:51 AM	-3.3 ^°C	-7.2 ^°C	75 ^%	1030.5 hPa	16.1 ^km	West (270°)	7.4 ^km/h	Mostly Cloudy
6:51 AM	-3.9 ^°C	-7.8 ^°C	75 ^%	1030.8 hPa	16.1 ^km	West (260°)	9.3 ^km/h	Scattered Clouds
7:51 AM	-3.9 ^°C	-7.8 ^°C	75 ^%	1031.2 hPa	14.5 ^km	West (260°)	7.4 ^km/h	Scattered Clouds
8:51 AM	-1.1 ^°C	-6.1 ^°C	69 ^%	1031.2 hPa	14.5 ^km	WSW (250°)	11.1 ^km/h	Partly Cloudy
9:51 AM	0.6 ^°C	-6.1 ^°C	61 ^%	1031.5 hPa	16.1 ^km	WSW (250°)	14.8 ^km/h	Clear
10:51 AM	2.2 ^°C	-5.6 ^°C	57 ^%	1031.2 hPa	16.1 ^km	West (260°)	20.4 ^km/h	Clear
11:51 AM	2.8 ^°C	-5.6 ^°C	54 ^%	1030.5 hPa	16.1 ^km	WSW (250°)	18.5 ^km/h	Partly Cloudy
12:51 PM	3.9 ^°C	-5.6 ^°C	50 ^%	1029.5 hPa	16.1 ^km	West (260°)	18.5 ^km/h	Clear
1:51 PM	4.4 ^°C	-6.1 ^°C	47 ^%	1029.5 hPa	16.1 ^km	SW (230°)	20.4 ^km/h	Clear
2:51 PM	4.4 ^°C	-6.7 ^°C	45 ^%	1029.1 hPa	16.1 ^km	WSW (240°)	24.1 ^km/h	Clear
3:51 PM	5 ^°C	-7.2 ^°C	41 ^%	1028.8 hPa	16.1 ^km	SW (230°)	14.8 ^km/h	Clear
4:51 PM	3.3 ^°C	-7.8 ^°C	45 ^%	1028.1 hPa	16.1 ^km	WSW (240°)	7.4 ^km/h	Clear
5:51 PM	2.2 ^°C	-7.2 ^°C	50 ^%	1028.4 hPa	16.1 ^km	SSW (200°)	7.4 ^km/h	Clear
6:51 PM	2.2 ^°C	-7.8 ^°C	48 ^%	1028.8 hPa	16.1 ^km	Calm		Clear
7:51 PM	1.7 ^°C	-7.2 ^°C	52 ^%	1028.8 hPa	16.1 ^km	Calm		Clear
8:51 PM	0.6 ^°C	-7.2 ^°C	56 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
9:51 PM	-0.6 ^°C	-7.2 ^°C	61 ^%	1028.1 hPa	16.1 ^km	Calm		Clear
10:51 PM	0 ^°C	-7.2 ^°C	59 ^%	1027.8 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h	Clear
11:51 PM	0 ^°C	-7.2 ^°C	59 ^%	1027.4 hPa	16.1 ^km	SW (230°)	14.8 ^km/h	Clear

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