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 - 11 OCTOBER, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	14.2 ^°C	17.8 ^°C (2:53 pm)	10.6 ^°C (5:53 am)
Dewpoint	9.7 ^°C	11.1 ^°C (12:53 am)	8.3 ^°C (3:53 pm)
Humidity	75.1 ^%	94 ^% (3:27 am)	56 ^% (3:53 pm)
Barometer	1021 ^hPa	1024 hPa (10:53 am)	1016.9 hPa (12:53 am)
Wind Speed	9.5 ^km/h	16.7 ^km/h (1:53 am)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSE (160.8 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	4.2 (Base 18.3)
Growing Degree Days	4.2 (Base 10)

Averaged from 26 records on 11 October, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 11 OCTOBER, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:53 AM	13.3 ^°C	11.1 ^°C	87 ^%	1016.9 hPa	16.1 ^km	South (190°)	11.1 ^km/h	Overcast
1:53 AM	13.3 ^°C	10.6 ^°C	84 ^%	1017.9 hPa	16.1 ^km	SSW (200°)	16.7 ^km/h	Overcast
2:53 AM	12.8 ^°C	10.6 ^°C	86 ^%	1019 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h	Mostly Cloudy
3:10 AM	13 ^°C	11 ^°C	88 ^%	1018.6 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h	Scattered Clouds
3:27 AM	12 ^°C	11 ^°C	94 ^%	1019 hPa	16.1 ^km	SSW (200°)	13 ^km/h	Mostly Cloudy
3:53 AM	12.8 ^°C	10.6 ^°C	86 ^%	1020.3 hPa	16.1 ^km	SSW (200°)	13 ^km/h	Overcast
4:53 AM	12.2 ^°C	10 ^°C	86 ^%	1021.3 hPa	16.1 ^km	South (170°)	14.8 ^km/h	Mostly Cloudy
5:53 AM	10.6 ^°C	9.4 ^°C	92 ^%	1022.4 hPa	16.1 ^km	South (180°)	9.3 ^km/h	Partly Cloudy
6:53 AM	11.7 ^°C	9.4 ^°C	86 ^%	1022.7 hPa	16.1 ^km	SSE (150°)	11.1 ^km/h	Partly Cloudy
7:53 AM	11.1 ^°C	9.4 ^°C	89 ^%	1022.7 hPa	16.1 ^km	SSE (150°)	9.3 ^km/h	Partly Cloudy
8:53 AM	12.8 ^°C	10 ^°C	83 ^%	1023.4 hPa	16.1 ^km	South (170°)	5.6 ^km/h	Scattered Clouds
9:53 AM	13.9 ^°C	10 ^°C	77 ^%	1023 hPa	16.1 ^km	SSE (150°)	11.1 ^km/h	Scattered Clouds
10:53 AM	15 ^°C	10 ^°C	72 ^%	1024 hPa	16.1 ^km	SSW (200°)	11.1 ^km/h	Scattered Clouds
11:53 AM	16.7 ^°C	10.6 ^°C	67 ^%	1023.4 hPa	16.1 ^km	South (190°)	9.3 ^km/h	Scattered Clouds
12:53 PM	17.2 ^°C	10 ^°C	63 ^%	1023.4 hPa	16.1 ^km	Variable	9.3 ^km/h	Mostly Cloudy
1:53 PM	17.2 ^°C	8.9 ^°C	58 ^%	1022.4 hPa	16.1 ^km	SSE (160°)	9.3 ^km/h	Mostly Cloudy
2:53 PM	17.8 ^°C	9.4 ^°C	58 ^%	1022.4 hPa	16.1 ^km	West (260°)	11.1 ^km/h	Mostly Cloudy
3:53 PM	17.2 ^°C	8.3 ^°C	56 ^%	1022 hPa	16.1 ^km	West (280°)	9.3 ^km/h	Mostly Cloudy
4:53 PM	16.7 ^°C	8.3 ^°C	58 ^%	1021.7 hPa	16.1 ^km	North (360°)	5.6 ^km/h	Mostly Cloudy
5:53 PM	16.7 ^°C	8.3 ^°C	58 ^%	1021 hPa	16.1 ^km	ENE (60°)	11.1 ^km/h	Overcast
6:53 PM	16.1 ^°C	8.9 ^°C	62 ^%	1019.6 hPa	16.1 ^km	NNE (20°)	9.3 ^km/h	Overcast
7:53 PM	14.4 ^°C	8.9 ^°C	70 ^%	1019 hPa	16.1 ^km	North (350°)	9.3 ^km/h	Overcast
8:53 PM	13.9 ^°C	9.4 ^°C	74 ^%	1019 hPa	16.1 ^km	Calm		Mostly Cloudy
9:53 PM	14.4 ^°C	8.9 ^°C	70 ^%	1018.6 hPa	16.1 ^km	Calm		Overcast
10:53 PM	13.9 ^°C	8.9 ^°C	72 ^%	1019.3 hPa	16.1 ^km	Calm		Scattered Clouds
11:53 PM	12.8 ^°C	8.9 ^°C	77 ^%	1019 hPa	16.1 ^km	SE (140°)	5.6 ^km/h	Scattered Clouds

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