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 30, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	55.2 ^°F	64 ^°F (3:53 pm)	51.1 ^°F (2:53 am)
Dewpoint	50.5 ^°F	52 ^°F (3:53 pm)	48 ^°F (2:53 am)
Humidity	84.9 ^%	97 ^% (8:53 am)	60 ^% (5:53 pm)
Barometer	30.02 ⁱⁿ	30.06 ⁱⁿ (8:53 am)	29.98 ⁱⁿ (12:53 am)
Wind Speed	3 ^mph	6.9 ^mph (3:42 am)

Weather Element	Average
Visibility	6.3 ^mi
Wind Direction	ESE (103.1 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	7.5 (Base 65)
Growing Degree Days	7.6 (Base 50)

Averaged from 32 records on September 30, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - SEPTEMBER 30, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Events	Conditions
12:53 AM	54.0 ^°F	50.0 ^°F	86 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm			Clear
1:53 AM	53.1 ^°F	48.9 ^°F	86 ^%	29.99 ⁱⁿ	10.0 ^mi	SSE (160°)	3.5 ^mph		Clear
2:53 AM	51.1 ^°F	48.0 ^°F	89 ^%	30.00 ⁱⁿ	10.0 ^mi	South (170°)	4.6 ^mph		Clear
3:42 AM	53.6 ^°F	51.8 ^°F	94 ^%	29.99 ⁱⁿ	10.0 ^mi	South (190°)	6.9 ^mph		Mostly Cloudy
3:53 AM	53.1 ^°F	51.1 ^°F	93 ^%	30.01 ⁱⁿ	0.5 ^mi	SSW (200°)	6.9 ^mph		Mostly Cloudy
4:43 AM	51.8 ^°F	50.0 ^°F	94 ^%	30.00 ⁱⁿ	0.5 ^mi	SSW (200°)	6.9 ^mph	Fog	Fog
4:53 AM	51.1 ^°F	50.0 ^°F	96 ^%	30.01 ⁱⁿ	0.2 ^mi	SSW (200°)	4.6 ^mph	Fog	Fog
5:53 AM	51.1 ^°F	50.0 ^°F	96 ^%	30.01 ⁱⁿ	0.2 ^mi	South (190°)	4.6 ^mph	Fog	Fog
6:53 AM	51.1 ^°F	50.0 ^°F	96 ^%	30.03 ⁱⁿ	0.1 ^mi	SSW (200°)	5.8 ^mph	Fog	Fog
7:29 AM	51.8 ^°F	50.0 ^°F	94 ^%	30.02 ⁱⁿ	0.1 ^mi	SSW (210°)	4.6 ^mph		Mist
7:53 AM	51.1 ^°F	50.0 ^°F	96 ^%	30.05 ⁱⁿ	0.1 ^mi	SW (230°)	5.8 ^mph		Overcast
8:36 AM	51.8 ^°F	50.0 ^°F	94 ^%	30.04 ⁱⁿ	0.8 ^mi	Calm			Overcast
8:53 AM	52.0 ^°F	51.1 ^°F	97 ^%	30.06 ⁱⁿ	0.8 ^mi	Calm			Overcast
9:34 AM	53.6 ^°F	51.8 ^°F	94 ^%	30.04 ⁱⁿ	5.0 ^mi	Calm			Overcast
9:53 AM	53.1 ^°F	50.0 ^°F	89 ^%	30.06 ⁱⁿ	6.0 ^mi	Variable	3.5 ^mph		Overcast
10:53 AM	53.1 ^°F	50.0 ^°F	89 ^%	30.06 ⁱⁿ	6.0 ^mi	SSE (160°)	5.8 ^mph		Overcast
11:30 AM	53.6 ^°F	51.8 ^°F	94 ^%	30.03 ⁱⁿ	7.0 ^mi	Variable	3.5 ^mph		Overcast
11:53 AM	54.0 ^°F	51.1 ^°F	90 ^%	30.05 ⁱⁿ	7.0 ^mi	SW (220°)	4.6 ^mph		Overcast
12:53 PM	55.0 ^°F	51.1 ^°F	86 ^%	30.04 ⁱⁿ	7.0 ^mi	South (180°)	3.5 ^mph		Overcast
1:49 PM	55.4 ^°F	51.8 ^°F	88 ^%	30.01 ⁱⁿ	8.0 ^mi	South (170°)	3.5 ^mph		Mostly Cloudy
1:53 PM	57.0 ^°F	51.1 ^°F	81 ^%	30.03 ⁱⁿ	8.0 ^mi	Variable	3.5 ^mph		Mostly Cloudy
2:16 PM	57.2 ^°F	51.8 ^°F	82 ^%	30.00 ⁱⁿ	5.0 ^mi	SSE (150°)	3.5 ^mph		Haze
2:53 PM	60.1 ^°F	51.1 ^°F	72 ^%	30.02 ⁱⁿ	9.0 ^mi	Variable	4.6 ^mph		Scattered Clouds
3:53 PM	64.0 ^°F	52.0 ^°F	65 ^%	30.01 ⁱⁿ	10.0 ^mi	West (280°)	3.5 ^mph		Partly Cloudy
4:53 PM	63.0 ^°F	51.1 ^°F	65 ^%	30.01 ⁱⁿ	10.0 ^mi	South (190°)	3.5 ^mph		Partly Cloudy
5:53 PM	64.0 ^°F	50.0 ^°F	60 ^%	30.01 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy
6:53 PM	61.0 ^°F	50.0 ^°F	67 ^%	30.01 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy
7:53 PM	60.1 ^°F	51.1 ^°F	72 ^%	30.02 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy
8:53 PM	57.9 ^°F	51.1 ^°F	78 ^%	30.02 ⁱⁿ	10.0 ^mi	Calm			Clear
9:53 PM	57.0 ^°F	48.9 ^°F	74 ^%	30.02 ⁱⁿ	10.0 ^mi	Calm			Clear
10:53 PM	55.9 ^°F	48.9 ^°F	77 ^%	30.02 ⁱⁿ	10.0 ^mi	Calm			Clear
11:53 PM	55.0 ^°F	50.0 ^°F	83 ^%	30.01 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy

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