Seattle Boeing, WA

8:36 PM PST on January 19, 2018 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - December, 2013

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Wednesday, December 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 35 °F -  
Max Temperature 42 °F 45 °F 60 °F (2014)
Min Temperature 28 °F 36 °F 23 °F (1961)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point 30 °F    
Average Humidity 83    
Maximum Humidity 93    
Minimum Humidity 65    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.31 in    
Wind  
Wind Speed 2 mph (SE)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 6 miles    
Events Fog    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 11, 2013 Rise Set
Actual Time 7:47 AM PST 4:17 PM PST
Civil Twilight 7:11 AM PST 4:53 PM PST
Nautical Twilight 6:32 AM PST 5:32 PM PST
Astronomical Twilight 5:55 AM PST 6:10 PM PST
Moon 1:11 PM PST (12/11) 1:55 AM PST (12/11)
Length of Visible Light 9h 42m
Length of Day
8h 30m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 30.9 °F - 27.0 °F 85% 30.42 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 30.0 °F - 26.1 °F 85% 30.42 in 7.0 mi Calm Calm - N/A   Partly Cloudy
2:53 AM 28.0 °F 22.8 °F 25.0 °F 88% 30.41 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:53 AM 30.0 °F - 26.1 °F 85% 30.38 in 7.0 mi Calm Calm - N/A   Clear
4:53 AM 28.9 °F 25.2 °F 25.0 °F 85% 30.37 in 6.0 mi Variable 3.5 mph - N/A   Clear
5:29 AM 30.2 °F - 26.6 °F 86% 30.36 in 6.0 mi Calm Calm - N/A   Scattered Clouds
5:40 AM 30.2 °F 26.7 °F 26.6 °F 86% 30.36 in 7.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
5:53 AM 30.0 °F - 26.1 °F 85% 30.36 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 30.9 °F 26.2 °F 28.0 °F 89% 30.35 in 3.0 mi SE 4.6 mph - N/A   Overcast
7:53 AM 32.0 °F - 28.9 °F 88% 30.35 in 3.0 mi Calm Calm - N/A   Overcast
8:53 AM 33.1 °F - 28.9 °F 85% 30.37 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
8:55 AM 33.8 °F - 30.2 °F 87% 30.37 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
9:33 AM 33.8 °F 28.6 °F 30.2 °F 87% 30.37 in 0.2 mi SSE 5.8 mph - N/A Fog Fog
9:53 AM 34.0 °F 29.8 °F 32.0 °F 92% 30.37 in 0.2 mi SE 4.6 mph - N/A Fog Fog
10:53 AM 35.1 °F - 33.1 °F 92% 30.36 in 0.2 mi Calm Calm - N/A Fog Fog
10:57 AM 35.6 °F - 33.8 °F 93% 30.36 in 2.0 mi Calm Calm - N/A   Overcast
11:19 AM 35.6 °F - 33.8 °F 93% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 37.9 °F - 34.0 °F 86% 30.33 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 42.1 °F 40.2 °F 32.0 °F 67% 30.30 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
1:53 PM 42.1 °F - 33.1 °F 70% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
2:53 PM 42.1 °F 39.2 °F 32.0 °F 67% 30.27 in 10.0 mi SSE 4.6 mph - N/A   Overcast
3:53 PM 42.1 °F - 30.9 °F 65% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 PM 41.0 °F - 33.1 °F 73% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 PM 39.9 °F - 32.0 °F 73% 30.23 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 37.9 °F - 30.9 °F 76% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 37.0 °F - 30.9 °F 79% 30.22 in 9.0 mi Calm Calm - N/A   Clear
8:53 PM 35.1 °F 32.2 °F 30.0 °F 82% 30.21 in 8.0 mi SE 3.5 mph - N/A   Clear
9:53 PM 34.0 °F 29.8 °F 30.0 °F 85% 30.21 in 6.0 mi SE 4.6 mph - N/A   Haze
10:22 PM 33.8 °F - 30.2 °F 87% 30.21 in 8.0 mi Calm Calm - N/A   Haze
10:53 PM 33.1 °F 27.7 °F 28.9 °F 85% 30.20 in 6.0 mi SE 5.8 mph - N/A   Haze
11:04 PM 33.8 °F 29.6 °F 30.2 °F 87% 30.20 in 3.0 mi SE 4.6 mph - N/A   Haze
11:11 PM 33.8 °F 28.6 °F 30.2 °F 87% 30.19 in 0.5 mi SE 5.8 mph - N/A Fog Fog
11:53 PM 35.1 °F 31.0 °F 33.1 °F 92% 30.18 in 1.0 mi SSE 4.6 mph - N/A Fog Fog