Seattle Boeing, WA

3:09 AM PST on January 28, 2020 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - December, 2019

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Saturday, December 7, 2019

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 51 °F 45 °F 55 °F (1962)
Min Temperature 46 °F 36 °F 18 °F (1972)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 46 °F    
Average Humidity 90    
Maximum Humidity 93    
Minimum Humidity 86    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 7.8 miles    
Events Rain    
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. 07, 2019 Rise Set
Actual Time 7:42 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 2:23 PM PST (12/7) 2:36 AM PST (12/7)
Length of Visible Light 9h 46m
Length of Day
8h 35m
Waxing Gibbous, 81% of the Moon is Illuminated
Dec 7
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
2:53 AM 46.9 °F 45.0 °F 93% 29.77 in 6.0 mi SSE 8.1 mph - 0.02 in Rain Light Rain
3:53 AM 46.9 °F 45.0 °F 93% 29.75 in 7.0 mi SSE 4.6 mph - 0.02 in Rain Light Rain
4:53 AM 46.9 °F 44.1 °F 90% 29.74 in 7.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
5:53 AM 46.9 °F 44.1 °F 90% 29.74 in 10.0 mi SSE 5.8 mph - 0.00 in Rain Light Rain
6:53 AM 46.9 °F 44.1 °F 90% 29.73 in 10.0 mi ESE 6.9 mph - 0.00 in Rain Light Rain
7:53 AM 46.9 °F 44.1 °F 90% 29.73 in 10.0 mi SSE 4.6 mph - 0.00 in   Overcast
8:53 AM 46.9 °F 44.1 °F 90% 29.75 in 2.5 mi SSE 6.9 mph - 0.00 in Rain Light Rain
9:04 AM 46.9 °F 44.1 °F 90% 29.75 in 2.5 mi SE 5.8 mph - 0.00 in Rain Light Rain
10:53 AM 48.0 °F 45.0 °F 89% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
12:53 PM 48.9 °F 45.0 °F 86% 29.74 in 10.0 mi SSE 3.5 mph - N/A   Overcast
1:33 PM 48.9 °F 46.0 °F 90% 29.74 in 3.0 mi SE 4.6 mph - 0.00 in Rain Light Rain
1:53 PM 48.9 °F 46.9 °F 93% 29.73 in 6.0 mi SE 5.8 mph - 0.00 in Rain Light Rain
2:53 PM 50.0 °F 46.9 °F 89% 29.74 in 6.0 mi SE 3.5 mph - 0.00 in   Overcast
3:53 PM 50.0 °F 46.9 °F 89% 29.74 in 10.0 mi SE 4.6 mph - N/A   Overcast
4:53 PM 50.0 °F 46.9 °F 89% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
7:00 PM 50.0 °F 46.9 °F 89% 29.78 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 50.0 °F 46.9 °F 89% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 50.0 °F 48.0 °F 93% 29.81 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 51.1 °F 48.0 °F 89% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 50.0 °F 46.9 °F 89% 29.85 in 7.0 mi NW 5.8 mph - N/A   Overcast
11:53 PM 48.9 °F 46.9 °F 93% 29.86 in 6.0 mi Calm Calm - N/A   Overcast