Seattle Boeing, WA

2:32 AM PST on January 28, 2020 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - December, 2019

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Sunday, December 8, 2019

  Actual Average Record
Temperature  
Mean Temperature 49 °F -  
Max Temperature 52 °F 45 °F 63 °F (2015)
Min Temperature 46 °F 36 °F 13 °F (1972)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 45 °F    
Average Humidity 87    
Maximum Humidity 93    
Minimum Humidity 77    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 1 mph ()    
Max Wind Speed 5 mph    
Max Gust Speed -    
Visibility 8.1 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 08, 2019 Rise Set
Actual Time 7:43 AM PST 4:18 PM PST
Civil Twilight 7:08 AM PST 4:53 PM PST
Nautical Twilight 6:29 AM PST 5:32 PM PST
Astronomical Twilight 5:52 AM PST 6:09 PM PST
Moon 2:44 PM PST (12/8) 3:41 AM PST (12/8)
Length of Visible Light 9h 45m
Length of Day
8h 34m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 8
Waxing Gibbous
Dec 11
Full
Dec 18
Last Quarter
Dec 25
New
Jan 2
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.9 °F 46.9 °F 93% 29.87 in 7.0 mi NNW 3.5 mph - N/A   Overcast
1:53 AM 48.0 °F 45.0 °F 89% 29.90 in 9.0 mi NW 3.5 mph - N/A   Overcast
2:53 AM 48.9 °F 45.0 °F 86% 29.93 in 10.0 mi NW 3.5 mph - N/A   Overcast
3:53 AM 48.9 °F 45.0 °F 86% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 48.0 °F 46.0 °F 93% 29.99 in 2.0 mi Calm Calm - 0.00 in   Overcast
6:53 AM 48.0 °F 46.0 °F 93% 30.02 in 2.0 mi Calm Calm - 0.00 in   Overcast
6:57 AM 48.0 °F 46.0 °F 93% 30.02 in 3.0 mi Calm Calm - N/A   Overcast
7:53 AM 48.0 °F 46.0 °F 93% 30.04 in 5.0 mi Calm Calm - N/A   Overcast
8:02 AM 48.0 °F 46.0 °F 93% 30.04 in 4.0 mi Calm Calm - N/A   Overcast
9:24 AM 48.9 °F 46.9 °F 93% 30.07 in 7.0 mi Calm Calm - N/A   Overcast
9:53 AM 50.0 °F 46.0 °F 86% 30.09 in 4.0 mi Calm Calm - N/A   Overcast
10:53 AM 50.0 °F 46.0 °F 86% 30.09 in 10.0 mi Calm Calm - 0.00 in   Overcast
11:53 AM 51.1 °F 45.0 °F 80% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 52.0 °F 45.0 °F 77% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 51.1 °F 45.0 °F 80% 30.12 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
2:53 PM 51.1 °F 45.0 °F 80% 30.14 in 10.0 mi NW 4.6 mph - N/A   Overcast
3:53 PM 51.1 °F 45.0 °F 80% 30.17 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 50.0 °F 44.1 °F 80% 30.19 in 10.0 mi NW 3.5 mph - N/A   Overcast
6:17 PM 50.0 °F 44.1 °F 80% 30.19 in 10.0 mi NW 4.6 mph - N/A   Overcast
6:53 PM 48.9 °F 45.0 °F 86% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 46.9 °F 43.0 °F 86% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 48.9 °F 45.0 °F 86% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 48.9 °F 45.0 °F 86% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 48.0 °F 45.0 °F 89% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 46.9 °F 44.1 °F 90% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy