ST. LOUIS - GATEWAY ARCH, MISSOURI

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Elevation: 450 feet Latitude: 38 37N Longitude: 090 11W

WEATHER

Monthly - Summary

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Number of Records: 202,393; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - MAY 31, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	57.8 ^°F	62.1 ^°F (12:05 am)	55 ^°F (4:53 am)
Dewpoint	52 ^°F	59 ^°F (12:05 am)	50 ^°F (5:06 am)
Humidity	81.1 ^%	90 ^% (12:05 am)	72 ^% (12:53 pm)
Barometer	30.11 ⁱⁿ	30.15 ⁱⁿ (10:13 am)	30.04 ⁱⁿ (12:05 am)
Wind Speed	9.8 ^mph	15 ^mph (12:53 am)
Wind Gust		20.7 ^mph (12:50 am)

Weather Element	Average
Visibility	9.7 ^mi
Wind Direction	WSW (245.1 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	6.5 (Base 65)
Growing Degree Days	8.6 (Base 50)

Averaged from 39 records on May 31, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - MAY 31, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:05 AM	62.1 ^°F	59.0 ^°F	90 ^%	30.04 ⁱⁿ	7.0 ^mi	North (360°)	11.5 ^mph		Overcast
12:38 AM	61.0 ^°F	57.0 ^°F	87 ^%	30.05 ⁱⁿ	10.0 ^mi	North (360°)	11.5 ^mph		Overcast
12:50 AM	60.8 ^°F	57.2 ^°F	88 ^%	30.05 ⁱⁿ	10.0 ^mi	North (350°)	13.8 ^mph	20.7 ^mph	Overcast
12:53 AM	60.1 ^°F	57.0 ^°F	90 ^%	30.04 ⁱⁿ	10.0 ^mi	NNW (340°)	15.0 ^mph	20.7 ^mph	Overcast
1:53 AM	59.0 ^°F	54.0 ^°F	83 ^%	30.05 ⁱⁿ	10.0 ^mi	North (350°)	13.8 ^mph		Overcast
2:53 AM	57.9 ^°F	53.1 ^°F	84 ^%	30.05 ⁱⁿ	10.0 ^mi	North (360°)	15.0 ^mph		Overcast
3:27 AM	57.0 ^°F	54.0 ^°F	89 ^%	30.06 ⁱⁿ	10.0 ^mi	North (350°)	11.5 ^mph		Overcast
3:43 AM	57.0 ^°F	54.0 ^°F	89 ^%	30.06 ⁱⁿ	10.0 ^mi	North (350°)	13.8 ^mph		Overcast
3:53 AM	57.0 ^°F	54.0 ^°F	89 ^%	30.06 ⁱⁿ	7.0 ^mi	North (360°)	12.7 ^mph		Overcast
4:05 AM	55.9 ^°F	53.1 ^°F	90 ^%	30.06 ⁱⁿ	6.0 ^mi	North (350°)	15.0 ^mph		Overcast
4:53 AM	55.0 ^°F	51.1 ^°F	86 ^%	30.08 ⁱⁿ	10.0 ^mi	North (350°)	12.7 ^mph		Overcast
5:06 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.08 ⁱⁿ	10.0 ^mi	North (360°)	12.7 ^mph		Overcast
5:36 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.09 ⁱⁿ	10.0 ^mi	North (10°)	6.9 ^mph		Overcast
5:53 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.09 ⁱⁿ	10.0 ^mi	North (360°)	10.4 ^mph		Overcast
6:53 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.11 ⁱⁿ	10.0 ^mi	North (360°)	10.4 ^mph		Overcast
7:24 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.12 ⁱⁿ	10.0 ^mi	North (350°)	5.8 ^mph		Overcast
7:40 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.11 ⁱⁿ	10.0 ^mi	North (360°)	8.1 ^mph		Overcast
7:53 AM	55.0 ^°F	50.0 ^°F	83 ^%	30.12 ⁱⁿ	10.0 ^mi	North (350°)	9.2 ^mph		Overcast
8:53 AM	55.9 ^°F	50.0 ^°F	80 ^%	30.13 ⁱⁿ	10.0 ^mi	NNW (330°)	10.4 ^mph		Overcast
9:53 AM	57.0 ^°F	50.0 ^°F	77 ^%	30.14 ⁱⁿ	10.0 ^mi	North (360°)	10.4 ^mph		Overcast
10:13 AM	57.0 ^°F	50.0 ^°F	77 ^%	30.15 ⁱⁿ	10.0 ^mi	North (360°)	10.4 ^mph		Overcast
10:53 AM	57.9 ^°F	50.0 ^°F	75 ^%	30.15 ⁱⁿ	10.0 ^mi	North (360°)	8.1 ^mph		Overcast
11:44 AM	57.9 ^°F	50.0 ^°F	75 ^%	30.15 ⁱⁿ	10.0 ^mi	North (360°)	8.1 ^mph		Overcast
11:53 AM	59.0 ^°F	51.1 ^°F	75 ^%	30.14 ⁱⁿ	10.0 ^mi	Variable	6.9 ^mph		Overcast
12:06 PM	59.0 ^°F	51.1 ^°F	75 ^%	30.14 ⁱⁿ	10.0 ^mi	North (360°)	8.1 ^mph		Overcast
12:53 PM	59.0 ^°F	50.0 ^°F	72 ^%	30.14 ⁱⁿ	10.0 ^mi	North (360°)	6.9 ^mph		Overcast
1:53 PM	59.0 ^°F	51.1 ^°F	75 ^%	30.14 ⁱⁿ	10.0 ^mi	North (350°)	6.9 ^mph		Overcast
2:53 PM	60.1 ^°F	51.1 ^°F	72 ^%	30.13 ⁱⁿ	10.0 ^mi	North (10°)	6.9 ^mph		Overcast
3:53 PM	60.1 ^°F	52.0 ^°F	75 ^%	30.12 ⁱⁿ	10.0 ^mi	North (10°)	9.2 ^mph		Overcast
4:53 PM	60.1 ^°F	52.0 ^°F	75 ^%	30.11 ⁱⁿ	10.0 ^mi	North (360°)	9.2 ^mph		Overcast
5:53 PM	59.0 ^°F	51.1 ^°F	75 ^%	30.10 ⁱⁿ	10.0 ^mi	NNE (20°)	10.4 ^mph		Overcast
6:53 PM	59.0 ^°F	52.0 ^°F	78 ^%	30.12 ⁱⁿ	10.0 ^mi	North (10°)	9.2 ^mph		Overcast
7:53 PM	59.0 ^°F	52.0 ^°F	78 ^%	30.13 ⁱⁿ	10.0 ^mi	NNE (30°)	6.9 ^mph		Overcast
8:53 PM	59.0 ^°F	52.0 ^°F	78 ^%	30.14 ⁱⁿ	10.0 ^mi	NE (40°)	8.1 ^mph		Overcast
9:53 PM	57.9 ^°F	52.0 ^°F	81 ^%	30.14 ⁱⁿ	10.0 ^mi	NNE (30°)	9.2 ^mph		Overcast
10:18 PM	57.9 ^°F	52.0 ^°F	81 ^%	30.15 ⁱⁿ	10.0 ^mi	NNE (30°)	6.9 ^mph		Overcast
10:53 PM	57.9 ^°F	52.0 ^°F	81 ^%	30.14 ⁱⁿ	10.0 ^mi	NE (50°)	5.8 ^mph		Overcast
11:45 PM	57.9 ^°F	52.0 ^°F	81 ^%	30.13 ⁱⁿ	10.0 ^mi	NE (50°)	8.1 ^mph		Overcast
11:53 PM	57.9 ^°F	52.0 ^°F	81 ^%	30.13 ⁱⁿ	10.0 ^mi	NE (50°)	5.8 ^mph		Overcast

Hourly data recorded from KCPS, located miles away from St. Louis - Gateway Arch, Missouri