CHESTERFIELD, MISSOURI

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Elevation: 559 feet 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 - DECEMBER 31, 2012

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	34.7 ^°F	37.9 ^°F (4:51 am)	32 ^°F (11:47 pm)
Dewpoint	28.6 ^°F	32 ^°F (2:06 pm)	19.9 ^°F (1:51 am)
Humidity	80 ^%	93 ^% (2:06 pm)	48 ^% (4:51 am)
Barometer	30.15 ⁱⁿ	30.24 ⁱⁿ (1:51 am)	30.09 ⁱⁿ (5:03 pm)
Wind Speed	5 ^mph	15 ^mph (9:11 am)

Weather Element	Average
Visibility	3.3 ^mi
Wind Direction	S (178.9 °)

Weather Element	Total
Precipitation	0.47 ⁱⁿ
Heating Degree Days	30.1 (Base 65)

Averaged from 45 records on December 31, 2012

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - DECEMBER 31, 2012

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
1:51 AM	37.0 ^°F	19.9 ^°F	50 ^%	30.24 ⁱⁿ	10.0 ^mi	SW (230°)	12.7 ^mph			Overcast
2:51 AM	37.0 ^°F	19.9 ^°F	50 ^%	30.24 ⁱⁿ	10.0 ^mi	SW (220°)	6.9 ^mph			Overcast
3:51 AM	37.0 ^°F	19.9 ^°F	50 ^%	30.22 ⁱⁿ	10.0 ^mi	SSW (210°)	8.1 ^mph			Overcast
4:51 AM	37.9 ^°F	19.9 ^°F	48 ^%	30.22 ⁱⁿ	10.0 ^mi	SSW (210°)	10.4 ^mph			Overcast
5:51 AM	37.9 ^°F	21.0 ^°F	51 ^%	30.20 ⁱⁿ	10.0 ^mi	SW (220°)	9.2 ^mph			Overcast
6:51 AM	37.9 ^°F	21.9 ^°F	53 ^%	30.20 ⁱⁿ	10.0 ^mi	SSW (210°)	8.1 ^mph			Overcast
7:51 AM	37.9 ^°F	21.9 ^°F	53 ^%	30.17 ⁱⁿ	10.0 ^mi	SSW (210°)	5.8 ^mph			Overcast
8:51 AM	37.9 ^°F	23.0 ^°F	55 ^%	30.19 ⁱⁿ	10.0 ^mi	WSW (240°)	6.9 ^mph			Overcast
9:03 AM	37.4 ^°F	24.8 ^°F	60 ^%	30.17 ⁱⁿ	4.0 ^mi	West (260°)	10.4 ^mph	0.00 ⁱⁿ	Snow	Light Snow
9:11 AM	37.4 ^°F	26.6 ^°F	65 ^%	30.17 ⁱⁿ	3.0 ^mi	West (270°)	15.0 ^mph	0.00 ⁱⁿ	Snow	Light Snow
9:21 AM	35.6 ^°F	28.4 ^°F	75 ^%	30.18 ⁱⁿ	2.0 ^mi	West (270°)	12.7 ^mph	0.00 ⁱⁿ	Snow	Light Snow
9:36 AM	35.6 ^°F	28.4 ^°F	75 ^%	30.18 ⁱⁿ	1.0 ^mi	West (280°)	6.9 ^mph	0.00 ⁱⁿ	Snow	Light Snow
9:51 AM	34.0 ^°F	30.0 ^°F	85 ^%	30.22 ⁱⁿ	1.0 ^mi	West (260°)	8.1 ^mph	0.02 ⁱⁿ	Snow	Light Snow
10:22 AM	33.8 ^°F	30.2 ^°F	87 ^%	30.21 ⁱⁿ	0.5 ^mi	WSW (240°)	5.8 ^mph	0.02 ⁱⁿ	Fog-Snow	Light Snow
10:46 AM	33.8 ^°F	30.2 ^°F	87 ^%	30.18 ⁱⁿ	0.5 ^mi	SW (230°)	3.5 ^mph	0.05 ⁱⁿ	Fog-Snow	Snow
10:51 AM	34.0 ^°F	30.9 ^°F	89 ^%	30.20 ⁱⁿ	0.5 ^mi	SW (230°)	3.5 ^mph	0.06 ⁱⁿ	Fog-Snow	Snow
11:07 AM	33.8 ^°F	30.2 ^°F	87 ^%	30.16 ⁱⁿ	0.5 ^mi	Calm		0.02 ⁱⁿ	Fog-Snow	Light Snow
11:44 AM	33.8 ^°F	30.2 ^°F	87 ^%	30.16 ⁱⁿ	0.5 ^mi	Calm		0.07 ⁱⁿ	Fog-Snow	Snow
11:51 AM	34.0 ^°F	30.9 ^°F	89 ^%	30.19 ⁱⁿ	0.5 ^mi	SW (220°)	3.5 ^mph	0.08 ⁱⁿ	Fog-Snow	Light Snow
12:02 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.15 ⁱⁿ	1.0 ^mi	SW (220°)	3.5 ^mph	0.01 ⁱⁿ	Snow	Light Snow
12:44 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.13 ⁱⁿ	1.5 ^mi	SW (220°)	3.5 ^mph	0.03 ⁱⁿ	Snow	Light Snow
12:51 PM	34.0 ^°F	30.9 ^°F	89 ^%	30.15 ⁱⁿ	1.5 ^mi	SW (220°)	4.6 ^mph	0.03 ⁱⁿ	Snow	Light Snow
1:08 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.12 ⁱⁿ	2.0 ^mi	SW (230°)	3.5 ^mph	0.01 ⁱⁿ	Snow	Light Snow
1:31 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.12 ⁱⁿ	1.5 ^mi	SW (230°)	5.8 ^mph	0.01 ⁱⁿ	Snow	Light Snow
1:43 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.12 ⁱⁿ	1.0 ^mi	SW (230°)	5.8 ^mph	0.02 ⁱⁿ	Snow	Light Snow
1:51 PM	34.0 ^°F	30.9 ^°F	89 ^%	30.14 ⁱⁿ	1.2 ^mi	SW (230°)	5.8 ^mph	0.02 ⁱⁿ	Snow	Light Snow
2:06 PM	33.8 ^°F	32.0 ^°F	93 ^%	30.11 ⁱⁿ	1.8 ^mi	Variable	4.6 ^mph	0.00 ⁱⁿ	Snow	Light Snow
2:33 PM	33.8 ^°F	32.0 ^°F	93 ^%	30.11 ⁱⁿ	1.2 ^mi	Calm		0.01 ⁱⁿ	Snow	Light Snow
2:51 PM	35.1 ^°F	32.0 ^°F	89 ^%	30.13 ⁱⁿ	2.5 ^mi	Calm		0.01 ⁱⁿ	Snow	Light Snow
3:51 PM	35.1 ^°F	30.9 ^°F	85 ^%	30.13 ⁱⁿ	2.0 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
4:12 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.10 ⁱⁿ	2.5 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
4:51 PM	34.0 ^°F	30.9 ^°F	89 ^%	30.13 ⁱⁿ	2.5 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
5:03 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.09 ⁱⁿ	3.0 ^mi	Calm		0.00 ⁱⁿ		Overcast
5:51 PM	34.0 ^°F	32.0 ^°F	92 ^%	30.12 ⁱⁿ	3.0 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
6:51 PM	34.0 ^°F	32.0 ^°F	92 ^%	30.13 ⁱⁿ	3.0 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
7:26 PM	33.8 ^°F	32.0 ^°F	93 ^%	30.09 ⁱⁿ	2.5 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
7:51 PM	34.0 ^°F	32.0 ^°F	92 ^%	30.12 ⁱⁿ	3.0 ^mi	Calm		0.00 ⁱⁿ		Overcast
8:51 PM	34.0 ^°F	30.9 ^°F	89 ^%	30.12 ⁱⁿ	3.0 ^mi	Calm		0.00 ⁱⁿ	Snow	Light Snow
9:13 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.09 ⁱⁿ	2.5 ^mi	NNW (340°)	3.5 ^mph		Snow	Light Snow
9:51 PM	34.0 ^°F	30.9 ^°F	89 ^%	30.12 ⁱⁿ	2.0 ^mi	North (360°)	3.5 ^mph	0.00 ⁱⁿ	Snow	Light Snow
10:45 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.11 ⁱⁿ	2.0 ^mi	North (350°)	6.9 ^mph	0.00 ⁱⁿ	Snow	Light Snow
10:51 PM	34.0 ^°F	30.9 ^°F	89 ^%	30.14 ⁱⁿ	2.5 ^mi	NNW (330°)	3.5 ^mph	0.00 ⁱⁿ	Snow	Light Snow
11:17 PM	33.8 ^°F	30.2 ^°F	87 ^%	30.11 ⁱⁿ	2.5 ^mi	North (360°)	10.4 ^mph	0.00 ⁱⁿ	Snow	Light Snow
11:47 PM	32.0 ^°F	28.4 ^°F	87 ^%	30.12 ⁱⁿ	1.2 ^mi	North (360°)	10.4 ^mph	0.00 ⁱⁿ	Snow	Light Snow
11:51 PM	32.0 ^°F	28.0 ^°F	85 ^%	30.15 ⁱⁿ	1.2 ^mi	North (360°)	12.7 ^mph	0.00 ⁱⁿ	Snow	Light Snow

Hourly data recorded from KSTL, located miles away from Chesterfield, Missouri