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 - DECEMBER 17, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	46 ^°F	48 ^°F (12:53 am)	44.1 ^°F (3:53 am)
Dewpoint	39.7 ^°F	44.1 ^°F (8:53 pm)	30 ^°F (12:53 am)
Humidity	79.4 ^%	93 ^% (8:53 pm)	50 ^% (12:53 am)
Barometer	29.88 ⁱⁿ	29.95 ⁱⁿ (10:53 pm)	29.83 ⁱⁿ (12:53 am)
Wind Speed	3.6 ^mph	10.4 ^mph (12:53 am)

Weather Element	Average
Visibility	8.5 ^mi
Wind Direction	ESE (103.5 °)

Weather Element	Total
Precipitation	0.12 ⁱⁿ
Heating Degree Days	19 (Base 65)

Averaged from 26 records on December 17, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - DECEMBER 17, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:53 AM	48.0 ^°F	30.0 ^°F	50 ^%	29.83 ⁱⁿ	10.0 ^mi	ESE (110°)	10.4 ^mph			Mostly Cloudy
1:53 AM	48.0 ^°F	30.9 ^°F	52 ^%	29.83 ⁱⁿ	10.0 ^mi	SSE (150°)	3.5 ^mph			Mostly Cloudy
2:53 AM	46.0 ^°F	33.1 ^°F	61 ^%	29.84 ⁱⁿ	10.0 ^mi	SSW (200°)	3.5 ^mph			Overcast
3:53 AM	44.1 ^°F	39.9 ^°F	85 ^%	29.84 ⁱⁿ	10.0 ^mi	SE (140°)	3.5 ^mph	0.01 ⁱⁿ	Rain	Light Rain
4:53 AM	44.1 ^°F	37.0 ^°F	76 ^%	29.84 ⁱⁿ	10.0 ^mi	ESE (110°)	10.4 ^mph	0.03 ⁱⁿ	Rain	Light Rain
5:53 AM	44.1 ^°F	37.9 ^°F	79 ^%	29.83 ⁱⁿ	10.0 ^mi	East (90°)	6.9 ^mph	0.02 ⁱⁿ	Rain	Light Rain
6:53 AM	45.0 ^°F	37.9 ^°F	76 ^%	29.83 ⁱⁿ	10.0 ^mi	ENE (70°)	4.6 ^mph	0.00 ⁱⁿ		Overcast
7:53 AM	46.0 ^°F	37.0 ^°F	71 ^%	29.83 ⁱⁿ	10.0 ^mi	East (90°)	5.8 ^mph	0.00 ⁱⁿ	Rain	Light Rain
8:53 AM	46.0 ^°F	37.0 ^°F	71 ^%	29.84 ⁱⁿ	10.0 ^mi	East (100°)	6.9 ^mph	0.01 ⁱⁿ		Overcast
9:53 AM	46.9 ^°F	37.0 ^°F	68 ^%	29.85 ⁱⁿ	10.0 ^mi	ESE (110°)	5.8 ^mph			Overcast
10:53 AM	46.9 ^°F	39.9 ^°F	77 ^%	29.86 ⁱⁿ	10.0 ^mi	Calm				Overcast
11:53 AM	46.9 ^°F	39.9 ^°F	77 ^%	29.86 ⁱⁿ	10.0 ^mi	Calm				Overcast
12:53 PM	48.0 ^°F	39.9 ^°F	74 ^%	29.86 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph			Overcast
1:53 PM	48.0 ^°F	41.0 ^°F	77 ^%	29.86 ⁱⁿ	10.0 ^mi	West (260°)	3.5 ^mph	0.00 ⁱⁿ	Rain	Light Rain
2:53 PM	46.9 ^°F	41.0 ^°F	80 ^%	29.87 ⁱⁿ	10.0 ^mi	SSW (210°)	3.5 ^mph	0.00 ⁱⁿ		Overcast
3:53 PM	46.0 ^°F	41.0 ^°F	83 ^%	29.88 ⁱⁿ	10.0 ^mi	SW (220°)	3.5 ^mph			Mostly Cloudy
4:53 PM	46.9 ^°F	43.0 ^°F	86 ^%	29.90 ⁱⁿ	10.0 ^mi	Calm		0.00 ⁱⁿ	Rain	Light Rain
5:53 PM	46.0 ^°F	43.0 ^°F	89 ^%	29.91 ⁱⁿ	10.0 ^mi	SSE (160°)	3.5 ^mph	0.00 ⁱⁿ		Overcast
6:53 PM	46.9 ^°F	43.0 ^°F	86 ^%	29.92 ⁱⁿ	10.0 ^mi	SE (140°)	4.6 ^mph			Overcast
7:53 PM	46.0 ^°F	43.0 ^°F	89 ^%	29.94 ⁱⁿ	7.0 ^mi	Calm		0.00 ⁱⁿ	Rain	Light Rain
8:53 PM	46.0 ^°F	44.1 ^°F	93 ^%	29.94 ⁱⁿ	8.0 ^mi	Calm		0.02 ⁱⁿ		Overcast
9:53 PM	45.0 ^°F	43.0 ^°F	93 ^%	29.94 ⁱⁿ	3.0 ^mi	Calm		0.00 ⁱⁿ		Overcast
10:53 PM	45.0 ^°F	43.0 ^°F	93 ^%	29.95 ⁱⁿ	7.0 ^mi	Calm		0.01 ⁱⁿ		Overcast
11:33 PM	44.6 ^°F	42.8 ^°F	93 ^%	29.93 ⁱⁿ	2.0 ^mi	South (170°)	3.5 ^mph	0.00 ⁱⁿ	Rain	Light Rain
11:46 PM	44.6 ^°F	42.8 ^°F	93 ^%	29.93 ⁱⁿ	2.0 ^mi	South (180°)	3.5 ^mph	0.01 ⁱⁿ		Overcast
11:53 PM	45.0 ^°F	43.0 ^°F	93 ^%	29.95 ⁱⁿ	2.0 ^mi	South (180°)	3.5 ^mph	0.01 ⁱⁿ		Overcast

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