Seattle Boeing, WA

2:10 AM PST on December 08, 2019 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - December, 2019

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Tuesday, December 3, 2019

  Actual Average Record
Temperature  
Mean Temperature 49 °F -  
Max Temperature 53 °F 48 °F 60 °F (1965)
Min Temperature 45 °F 39 °F 30 °F (1949)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 41 °F    
Average Humidity 73    
Maximum Humidity 86    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 7 mph ()    
Max Wind Speed 12 mph    
Max Gust Speed 20 mph    
Visibility 10.0 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. 03, 2019 Rise Set
Actual Time 7:38 AM PST 4:19 PM PST
Civil Twilight 7:03 AM PST 4:54 PM PST
Nautical Twilight 6:24 AM PST 5:33 PM PST
Astronomical Twilight 5:47 AM PST 6:10 PM PST
Moon 1:00 PM PST (12/3) 11:27 PM PST (12/3)
Length of Visible Light 9h 51m
Length of Day
8h 40m
Waxing Crescent, 46% of the Moon is Illuminated
Dec 3
Waxing Crescent
Dec 3
First Quarter
Dec 11
Full
Dec 18
Last Quarter
Dec 25
New

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 46.9 °F - 41.0 °F 80% 30.16 in 10.0 mi SE 4.6 mph - N/A   Overcast
1:53 AM 45.0 °F 40.6 °F 41.0 °F 86% 30.15 in 10.0 mi SE 8.1 mph - N/A   Overcast
2:53 AM 45.0 °F 40.6 °F 41.0 °F 86% 30.15 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
3:53 AM 46.0 °F 41.4 °F 41.0 °F 83% 30.14 in 10.0 mi ESE 9.2 mph - N/A   Overcast
4:53 AM 48.0 °F - 41.0 °F 77% 30.13 in 10.0 mi SE 10.4 mph - N/A   Overcast
5:53 AM 46.9 °F - 41.0 °F 80% 30.12 in 10.0 mi SE 9.2 mph - N/A   Overcast
6:53 AM 46.9 °F - 39.9 °F 77% 30.12 in 10.0 mi ESE 10.4 mph - N/A   Overcast
7:53 AM 46.9 °F - 39.9 °F 77% 30.12 in 10.0 mi SE 9.2 mph - N/A   Overcast
11:53 AM 52.0 °F - 39.0 °F 61% 30.13 in 10.0 mi SSW 11.5 mph 19.6 mph N/A   Mostly Cloudy
12:53 PM 52.0 °F - 39.9 °F 63% 30.10 in 10.0 mi SE 10.4 mph - N/A   Overcast
2:53 PM 53.1 °F - 41.0 °F 64% 30.07 in 10.0 mi SSE 11.5 mph 16.1 mph N/A   Overcast
3:53 PM 52.0 °F - 41.0 °F 66% 30.06 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:53 PM 53.1 °F - 41.0 °F 64% 30.05 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
5:53 PM 53.1 °F - 41.0 °F 64% 30.03 in 10.0 mi South 6.9 mph - N/A   Overcast
6:53 PM 51.1 °F - 41.0 °F 68% 30.02 in 10.0 mi SSE 8.1 mph - N/A   Overcast
8:53 PM 51.1 °F - 43.0 °F 74% 30.00 in 10.0 mi SE 6.9 mph - N/A   Overcast
9:53 PM 51.1 °F - 42.1 °F 71% 29.99 in 10.0 mi SE 5.8 mph - N/A   Overcast
10:53 PM 51.1 °F - 41.0 °F 68% 29.98 in 10.0 mi SE 5.8 mph - N/A   Overcast
11:53 PM 50.0 °F - 41.0 °F 71% 29.97 in 10.0 mi SE 6.9 mph - N/A   Overcast