Seattle Boeing, WA

6:50 AM PST on December 11, 2017 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - December, 2017

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Thursday, December 7, 2017

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 51 °F 45 °F 55 °F (1962)
Min Temperature 32 °F 36 °F 18 °F (1972)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 34 °F    
Average Humidity 83    
Maximum Humidity 96    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.52 in    
Wind  
Wind Speed 1 mph (NW)    
Max Wind Speed 5 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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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Daily Weather History Graph

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Date:

Astronomy

Dec. 07, 2017 Rise Set
Actual Time 7:43 AM PST 4:18 PM PST
Civil Twilight 7:07 AM PST 4:53 PM PST
Nautical Twilight 6:28 AM PST 5:32 PM PST
Astronomical Twilight 5:51 AM PST 6:09 PM PST
Moon 9:19 PM PST (12/7) 11:19 AM PST (12/7)
Length of Visible Light 9h 45m
Length of Day
8h 34m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 7
Waning Gibbous
Dec 9
Last Quarter
Dec 17
New
Dec 26
First Quarter
Jan 1
Full

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 36.0 °F - 34.0 °F 93% 30.55 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 35.1 °F - 33.1 °F 92% 30.54 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 34.0 °F - 32.0 °F 92% 30.54 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 33.1 °F - 30.9 °F 92% 30.53 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 33.1 °F - 32.0 °F 96% 30.53 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 32.0 °F - 30.9 °F 96% 30.54 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 34.0 °F - 32.0 °F 92% 30.53 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 34.0 °F - 32.0 °F 92% 30.53 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 37.0 °F - 35.1 °F 93% 30.53 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 41.0 °F 39.0 °F 37.9 °F 89% 30.53 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:53 AM 45.0 °F - 39.0 °F 80% 30.53 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 48.0 °F - 37.9 °F 68% 30.51 in 10.0 mi NNW 3.5 mph - N/A   Clear
12:53 PM 50.0 °F - 37.0 °F 61% 30.49 in 10.0 mi NW 3.5 mph - N/A   Clear
1:53 PM 51.1 °F - 36.0 °F 56% 30.48 in 10.0 mi NNW 4.6 mph - N/A   Clear
2:53 PM 51.1 °F - 37.0 °F 59% 30.48 in 10.0 mi NW 4.6 mph - N/A   Clear
3:53 PM 48.9 °F - 33.1 °F 54% 30.49 in 10.0 mi NNW 4.6 mph - N/A   Clear
4:53 PM 46.0 °F - 36.0 °F 68% 30.49 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 41.0 °F - 35.1 °F 79% 30.51 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 41.0 °F - 36.0 °F 82% 30.52 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 37.0 °F - 34.0 °F 89% 30.52 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 35.1 °F 32.2 °F 33.1 °F 92% 30.53 in 10.0 mi South 3.5 mph - N/A   Clear
9:53 PM 35.1 °F - 33.1 °F 92% 30.53 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 34.0 °F - 33.1 °F 96% 30.54 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 34.0 °F - 33.1 °F 96% 30.54 in 7.0 mi Calm Calm - N/A   Clear