SEA-TAC, WASHINGTON

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Elevation: 137 meters 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 - 30 AUGUST, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	15.7 ^°C	19.4 ^°C (3:53 pm)	13 ^°C (6:13 am)
Dewpoint	11.9 ^°C	13.9 ^°C (9:53 am)	9.4 ^°C (11:53 pm)
Humidity	79.3 ^%	94 ^% (12:29 am)	59 ^% (3:53 pm)
Barometer	1013.2 ^hPa	1016.9 hPa (8:53 pm)	1008.5 hPa (12:29 am)
Wind Speed	16.6 ^km/h	27.8 ^km/h (10:53 am)
Wind Gust		35.2 ^km/h (1:53 pm)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	SSW (194.3 °)

Weather Element	Total
Precipitation	22.61 ^mm
Heating Degree Days	2.1 (Base 18.3)
Growing Degree Days	6.2 (Base 10)

Averaged from 28 records on 30 August, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 30 AUGUST, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:29 AM	14 ^°C	13 ^°C	94 ^%	1008.5 hPa	11.3 ^km	SSW (200°)	16.7 ^km/h		3.3 mm	Rain	Rain
12:53 AM	13.3 ^°C	12.2 ^°C	93 ^%	1008.5 hPa	8 ^km	South (180°)	9.3 ^km/h		3.81 mm	Rain	Rain
1:53 AM	13.3 ^°C	12.2 ^°C	93 ^%	1009.1 hPa	16.1 ^km	South (180°)	11.1 ^km/h		0.25 mm		Partly Cloudy
2:53 AM	13.3 ^°C	12.2 ^°C	93 ^%	1009.5 hPa	16.1 ^km	South (190°)	11.1 ^km/h				Mostly Cloudy
3:53 AM	13.9 ^°C	12.8 ^°C	93 ^%	1009.8 hPa	14.5 ^km	SSW (200°)	7.4 ^km/h		0.25 mm	Rain	Light Rain
4:53 AM	13.9 ^°C	12.8 ^°C	93 ^%	1009.8 hPa	8 ^km	South (180°)	9.3 ^km/h		1.02 mm	Rain	Rain
5:48 AM	14 ^°C	13 ^°C	94 ^%	1009.8 hPa	6.4 ^km	South (170°)	14.8 ^km/h		3.3 mm	Rain	Heavy Rain
5:53 AM	13.9 ^°C	12.2 ^°C	89 ^%	1010.2 hPa	4.8 ^km	South (180°)	16.7 ^km/h		3.81 mm	Rain	Heavy Rain
6:13 AM	13 ^°C	12 ^°C	94 ^%	1009.8 hPa	9.7 ^km	South (180°)	18.5 ^km/h		1.52 mm	Rain	Rain
6:53 AM	13.3 ^°C	12.2 ^°C	93 ^%	1010.8 hPa	9.7 ^km	SSE (160°)	14.8 ^km/h		3.56 mm	Rain	Rain
7:42 AM	13 ^°C	12 ^°C	94 ^%	1011.2 hPa	16.1 ^km	SSE (160°)	16.7 ^km/h		0.25 mm		Mostly Cloudy
7:53 AM	13.3 ^°C	12.2 ^°C	93 ^%	1012.2 hPa	16.1 ^km	SSE (160°)	16.7 ^km/h		0.25 mm		Mostly Cloudy
8:53 AM	13.3 ^°C	12.2 ^°C	93 ^%	1012.9 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h		0.76 mm		Overcast
9:53 AM	15.6 ^°C	13.9 ^°C	90 ^%	1013.2 hPa	16.1 ^km	South (180°)	16.7 ^km/h				Mostly Cloudy
10:53 AM	17.2 ^°C	13.3 ^°C	78 ^%	1013.9 hPa	16.1 ^km	South (190°)	27.8 ^km/h				Overcast
11:53 AM	16.7 ^°C	12.8 ^°C	78 ^%	1014.6 hPa	16.1 ^km	South (190°)	14.8 ^km/h		0.25 mm	Rain	Light Rain
12:53 PM	17.2 ^°C	11.7 ^°C	70 ^%	1014.9 hPa	16.1 ^km	SW (220°)	20.4 ^km/h	31.5 ^km/h	0.25 mm	Rain	Light Rain
1:53 PM	18.9 ^°C	11.7 ^°C	63 ^%	1015.2 hPa	16.1 ^km	SW (220°)	22.2 ^km/h	35.2 ^km/h	0 mm		Mostly Cloudy
2:53 PM	18.9 ^°C	11.1 ^°C	60 ^%	1015.6 hPa	16.1 ^km	SW (220°)	22.2 ^km/h				Mostly Cloudy
3:53 PM	19.4 ^°C	11.1 ^°C	59 ^%	1015.6 hPa	16.1 ^km	SW (230°)	24.1 ^km/h	31.5 ^km/h			Mostly Cloudy
4:53 PM	18.9 ^°C	11.1 ^°C	60 ^%	1015.6 hPa	16.1 ^km	SW (230°)	18.5 ^km/h				Mostly Cloudy
5:53 PM	19.4 ^°C	11.7 ^°C	61 ^%	1015.6 hPa	16.1 ^km	WSW (240°)	16.7 ^km/h				Mostly Cloudy
6:53 PM	18.3 ^°C	10.6 ^°C	61 ^%	1015.9 hPa	16.1 ^km	SW (220°)	16.7 ^km/h				Mostly Cloudy
7:53 PM	17.2 ^°C	10.6 ^°C	65 ^%	1016.3 hPa	16.1 ^km	SSW (210°)	18.5 ^km/h				Mostly Cloudy
8:53 PM	16.7 ^°C	11.1 ^°C	70 ^%	1016.9 hPa	16.1 ^km	SSW (210°)	16.7 ^km/h				Mostly Cloudy
9:53 PM	16.7 ^°C	11.1 ^°C	70 ^%	1016.9 hPa	16.1 ^km	SSW (200°)	16.7 ^km/h				Mostly Cloudy
10:53 PM	16.7 ^°C	10 ^°C	65 ^%	1016.6 hPa	16.1 ^km	South (190°)	20.4 ^km/h				Mostly Cloudy
11:53 PM	16.7 ^°C	9.4 ^°C	62 ^%	1016.6 hPa	16.1 ^km	South (190°)	20.4 ^km/h				Overcast

Hourly data recorded from KSEA, located 0 kilometers away from Sea-Tac, Washington