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 - 20 MAY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	10 ^°C	14.4 ^°C (12:51 am)	8.9 ^°C (3:51 pm)
Dewpoint	6.1 ^°C	7 ^°C (12:28 pm)	5 ^°C (9:51 pm)
Humidity	77.4 ^%	87 ^% (12:28 pm)	57 ^% (2:51 am)
Barometer	1019.6 ^hPa	1021.7 hPa (11:51 pm)	1018.6 hPa (1:38 pm)
Wind Speed	17.2 ^km/h	25.9 ^km/h (8:51 am)
Wind Gust		35.2 ^km/h (5:51 am)

Weather Element	Average
Visibility	10.6 ^km
Wind Direction	ENE (69.8 °)

Weather Element	Total
Precipitation	11.94 ^mm
Heating Degree Days	6.7 (Base 18.3)
Growing Degree Days	1.7 (Base 10)

Averaged from 46 records on 20 May, 2015

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WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 20 MAY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:51 AM	14.4 ^°C	6.7 ^°C	60 ^%	1021 hPa	16.1 ^km	ENE (60°)	9.3 ^km/h				Overcast
1:51 AM	13.9 ^°C	6.1 ^°C	59 ^%	1020.3 hPa	16.1 ^km	ENE (70°)	11.1 ^km/h				Overcast
2:51 AM	13.9 ^°C	5.6 ^°C	57 ^%	1020.3 hPa	16.1 ^km	East (80°)	13 ^km/h				Overcast
3:51 AM	13.3 ^°C	5.6 ^°C	60 ^%	1020 hPa	16.1 ^km	East (80°)	20.4 ^km/h				Mostly Cloudy
4:51 AM	12.8 ^°C	5.6 ^°C	62 ^%	1019.3 hPa	16.1 ^km	East (90°)	22.2 ^km/h				Overcast
5:51 AM	12.8 ^°C	5.6 ^°C	62 ^%	1019 hPa	16.1 ^km	East (90°)	20.4 ^km/h	35.2 ^km/h	0 mm	Rain	Light Rain
6:51 AM	12.2 ^°C	6.1 ^°C	66 ^%	1019.3 hPa	16.1 ^km	East (90°)	22.2 ^km/h		0 mm		Overcast
7:51 AM	12.2 ^°C	6.1 ^°C	66 ^%	1019.6 hPa	16.1 ^km	East (90°)	20.4 ^km/h				Overcast
8:51 AM	11.7 ^°C	5.6 ^°C	66 ^%	1019.3 hPa	16.1 ^km	East (90°)	25.9 ^km/h		0 mm	Rain	Light Rain
9:51 AM	11.7 ^°C	5.6 ^°C	66 ^%	1020.3 hPa	16.1 ^km	East (100°)	16.7 ^km/h		0 mm	Rain	Light Rain
10:51 AM	10.6 ^°C	6.1 ^°C	74 ^%	1020 hPa	11.3 ^km	ENE (60°)	11.1 ^km/h		0.51 mm	Rain	Light Rain
11:30 AM	10 ^°C	6 ^°C	76 ^%	1020 hPa	4.8 ^km	ENE (70°)	13 ^km/h		1.02 mm	Rain	Light Rain
11:37 AM	9 ^°C	6 ^°C	82 ^%	1020.3 hPa	3.2 ^km	ENE (70°)	11.1 ^km/h		1.52 mm	Rain	Rain
11:51 AM	9.4 ^°C	6.1 ^°C	80 ^%	1020.3 hPa	4 ^km	East (80°)	14.8 ^km/h	25.9 ^km/h	3.05 mm	Rain	Rain
11:59 AM	9 ^°C	6 ^°C	82 ^%	1020 hPa	4.8 ^km	ENE (70°)	18.5 ^km/h	29.6 ^km/h	0.51 mm	Rain	Light Rain
12:15 PM	9 ^°C	6 ^°C	82 ^%	1019.6 hPa	6.4 ^km	East (80°)	16.7 ^km/h		0.76 mm	Rain	Light Rain
12:28 PM	9 ^°C	7 ^°C	87 ^%	1019.3 hPa	6.4 ^km	ENE (60°)	18.5 ^km/h		1.02 mm	Rain	Light Rain
12:51 PM	9.4 ^°C	6.1 ^°C	80 ^%	1019 hPa	8 ^km	ENE (60°)	18.5 ^km/h		1.27 mm	Rain	Light Rain
1:05 PM	9 ^°C	7 ^°C	87 ^%	1019 hPa	6.4 ^km	ENE (70°)	14.8 ^km/h		0 mm	Rain	Light Rain
1:17 PM	9 ^°C	7 ^°C	87 ^%	1019 hPa	6.4 ^km	ENE (60°)	14.8 ^km/h		0.25 mm	Rain	Light Rain
1:38 PM	9 ^°C	7 ^°C	87 ^%	1018.6 hPa	8 ^km	NE (50°)	18.5 ^km/h		0.51 mm	Rain	Light Rain
1:51 PM	9.4 ^°C	6.7 ^°C	83 ^%	1018.6 hPa	9.7 ^km	NE (50°)	14.8 ^km/h		0.51 mm		Haze
2:22 PM	9 ^°C	7 ^°C	87 ^%	1018.6 hPa	11.3 ^km	NE (40°)	24.1 ^km/h				Overcast
2:36 PM	10 ^°C	6 ^°C	76 ^%	1019 hPa	11.3 ^km	NE (50°)	13 ^km/h				Overcast
2:51 PM	9.4 ^°C	6.1 ^°C	80 ^%	1019.3 hPa	11.3 ^km	NNE (30°)	22.2 ^km/h				Overcast
3:03 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	6.4 ^km	NNE (30°)	18.5 ^km/h		0 mm	Rain	Light Rain
3:13 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	4.8 ^km	NNE (30°)	24.1 ^km/h	31.5 ^km/h	0 mm	Rain	Light Rain
3:18 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	4 ^km	NNE (30°)	25.9 ^km/h	35.2 ^km/h	0 mm	Rain	Light Rain
3:36 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	4.8 ^km	NNE (20°)	16.7 ^km/h		0 mm	Rain	Light Rain
3:39 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	4.8 ^km	NNE (20°)	22.2 ^km/h		0 mm	Rain	Light Rain
3:51 PM	8.9 ^°C	6.1 ^°C	83 ^%	1019.6 hPa	3.2 ^km	NNE (20°)	18.5 ^km/h		0.51 mm	Rain	Rain
3:58 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	4.8 ^km	NNE (30°)	18.5 ^km/h		0 mm	Rain	Light Rain
4:04 PM	9 ^°C	7 ^°C	87 ^%	1019.3 hPa	11.3 ^km	NNE (30°)	16.7 ^km/h		0 mm	Rain	Light Rain
4:12 PM	9 ^°C	7 ^°C	87 ^%	1019.3 hPa	6.4 ^km	NNE (30°)	16.7 ^km/h		0 mm	Rain	Light Rain
4:34 PM	9 ^°C	7 ^°C	87 ^%	1019.3 hPa	4.8 ^km	NNE (30°)	18.5 ^km/h		0.25 mm	Rain	Light Rain
4:51 PM	8.9 ^°C	6.7 ^°C	86 ^%	1019.6 hPa	4.8 ^km	NE (40°)	22.2 ^km/h		0.25 mm	Rain	Light Rain
4:57 PM	9 ^°C	6 ^°C	82 ^%	1019.3 hPa	11.3 ^km	NE (40°)	20.4 ^km/h	33.3 ^km/h	0 mm		Overcast
5:51 PM	9.4 ^°C	6.1 ^°C	80 ^%	1019.6 hPa	12.9 ^km	NNE (30°)	14.8 ^km/h		0 mm		Overcast
6:51 PM	9.4 ^°C	6.1 ^°C	80 ^%	1020 hPa	16.1 ^km	North (10°)	16.7 ^km/h				Overcast
7:51 PM	9.4 ^°C	5.6 ^°C	77 ^%	1020.3 hPa	16.1 ^km	NNE (20°)	14.8 ^km/h				Overcast
8:51 PM	9.4 ^°C	5.6 ^°C	77 ^%	1020.7 hPa	16.1 ^km	North (10°)	16.7 ^km/h				Overcast
9:30 PM	9 ^°C	6 ^°C	82 ^%	1020.7 hPa	16.1 ^km	North (10°)	14.8 ^km/h				Overcast
9:51 PM	8.9 ^°C	5 ^°C	77 ^%	1021 hPa	16.1 ^km	North (10°)	13 ^km/h				Overcast
10:34 PM	9 ^°C	5 ^°C	76 ^%	1021 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h				Overcast
10:51 PM	8.9 ^°C	5 ^°C	77 ^%	1021.3 hPa	16.1 ^km	North (350°)	11.1 ^km/h				Mostly Cloudy
11:51 PM	8.9 ^°C	5 ^°C	77 ^%	1021.7 hPa	16.1 ^km	NNW (340°)	13 ^km/h				Overcast

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