SEA-TAC, WASHINGTON

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Elevation: 450 feet Latitude: 47 27N Longitude: 122 18W

WEATHER

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Number of Records: 224,582; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - SEPTEMBER 5, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	56.7 ^°F	68 ^°F (3:53 pm)	48 ^°F (5:53 am)
Dewpoint	48.3 ^°F	51.1 ^°F (5:53 pm)	45 ^°F (4:53 am)
Humidity	74.7 ^%	93 ^% (5:53 am)	50 ^% (3:53 pm)
Barometer	30.11 ⁱⁿ	30.17 ⁱⁿ (10:53 pm)	30.05 ⁱⁿ (12:53 am)
Wind Speed	7.2 ^mph	12.7 ^mph (6:53 pm)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	SSE (154.3 °)

Weather Element	Total
Precipitation	0.01 ⁱⁿ
Heating Degree Days	7 (Base 65)
Growing Degree Days	8 (Base 50)

Averaged from 28 records on September 5, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - SEPTEMBER 5, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Conditions
12:53 AM	53.1 ^°F	48.0 ^°F	83 ^%	30.05 ⁱⁿ	10.0 ^mi	Calm			Scattered Clouds
1:53 AM	51.1 ^°F	48.0 ^°F	89 ^%	30.05 ⁱⁿ	10.0 ^mi	Calm			Clear
2:53 AM	51.1 ^°F	46.0 ^°F	83 ^%	30.05 ⁱⁿ	10.0 ^mi	SE (130°)	4.6 ^mph		Clear
3:53 AM	50.0 ^°F	46.0 ^°F	86 ^%	30.05 ⁱⁿ	10.0 ^mi	Calm			Clear
4:53 AM	48.9 ^°F	45.0 ^°F	86 ^%	30.06 ⁱⁿ	10.0 ^mi	ESE (120°)	4.6 ^mph		Clear
5:53 AM	48.0 ^°F	46.0 ^°F	93 ^%	30.06 ⁱⁿ	10.0 ^mi	SE (140°)	4.6 ^mph		Partly Cloudy
6:53 AM	48.9 ^°F	45.0 ^°F	86 ^%	30.08 ⁱⁿ	10.0 ^mi	SE (130°)	9.2 ^mph		Scattered Clouds
7:53 AM	50.0 ^°F	45.0 ^°F	83 ^%	30.10 ⁱⁿ	10.0 ^mi	South (180°)	4.6 ^mph		Mostly Cloudy
8:30 AM	51.8 ^°F	48.2 ^°F	88 ^%	30.09 ⁱⁿ	10.0 ^mi	Calm			Mostly Cloudy
8:53 AM	51.1 ^°F	48.0 ^°F	89 ^%	30.12 ⁱⁿ	9.0 ^mi	SW (220°)	8.1 ^mph		Mostly Cloudy
9:50 AM	53.6 ^°F	50.0 ^°F	88 ^%	30.10 ⁱⁿ	10.0 ^mi	South (190°)	9.2 ^mph		Overcast
9:53 AM	54.0 ^°F	50.0 ^°F	86 ^%	30.13 ⁱⁿ	10.0 ^mi	SSW (210°)	9.2 ^mph		Overcast
10:33 AM	55.4 ^°F	50.0 ^°F	82 ^%	30.11 ⁱⁿ	10.0 ^mi	SW (220°)	9.2 ^mph		Mostly Cloudy
10:53 AM	55.9 ^°F	48.9 ^°F	77 ^%	30.14 ⁱⁿ	10.0 ^mi	SSW (210°)	6.9 ^mph		Mostly Cloudy
11:12 AM	57.2 ^°F	50.0 ^°F	77 ^%	30.11 ⁱⁿ	10.0 ^mi	South (190°)	6.9 ^mph		Partly Cloudy
11:53 AM	60.1 ^°F	48.9 ^°F	67 ^%	30.14 ⁱⁿ	10.0 ^mi	SSW (200°)	9.2 ^mph		Scattered Clouds
12:53 PM	63.0 ^°F	50.0 ^°F	63 ^%	30.14 ⁱⁿ	10.0 ^mi	SW (220°)	8.1 ^mph		Scattered Clouds
1:53 PM	64.0 ^°F	50.0 ^°F	60 ^%	30.14 ⁱⁿ	10.0 ^mi	South (180°)	11.5 ^mph		Mostly Cloudy
2:53 PM	66.0 ^°F	48.9 ^°F	54 ^%	30.14 ⁱⁿ	10.0 ^mi	South (180°)	9.2 ^mph		Mostly Cloudy
3:53 PM	68.0 ^°F	48.9 ^°F	50 ^%	30.13 ⁱⁿ	10.0 ^mi	SSW (210°)	9.2 ^mph		Mostly Cloudy
4:53 PM	66.0 ^°F	48.9 ^°F	54 ^%	30.13 ⁱⁿ	10.0 ^mi	SSW (210°)	6.9 ^mph		Overcast
5:53 PM	64.9 ^°F	51.1 ^°F	61 ^%	30.13 ⁱⁿ	10.0 ^mi	WSW (240°)	9.2 ^mph	0.01 ⁱⁿ	Overcast
6:53 PM	61.0 ^°F	51.1 ^°F	70 ^%	30.15 ⁱⁿ	10.0 ^mi	NNE (30°)	12.7 ^mph		Mostly Cloudy
7:53 PM	61.0 ^°F	46.9 ^°F	60 ^%	30.15 ⁱⁿ	10.0 ^mi	East (100°)	8.1 ^mph		Mostly Cloudy
8:53 PM	61.0 ^°F	48.0 ^°F	62 ^%	30.16 ⁱⁿ	10.0 ^mi	SW (230°)	11.5 ^mph		Mostly Cloudy
9:53 PM	59.0 ^°F	50.0 ^°F	72 ^%	30.16 ⁱⁿ	10.0 ^mi	SSW (210°)	10.4 ^mph		Mostly Cloudy
10:53 PM	57.9 ^°F	48.0 ^°F	70 ^%	30.17 ⁱⁿ	10.0 ^mi	South (190°)	9.2 ^mph		Scattered Clouds
11:53 PM	55.9 ^°F	46.9 ^°F	72 ^%	30.15 ⁱⁿ	10.0 ^mi	South (180°)	9.2 ^mph		Scattered Clouds

Hourly data recorded from KSEA, located miles away from Sea-Tac, Washington