Seattle Boeing, WA

5:25 AM PST on December 17, 2018 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - December, 2018

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Friday, December 7, 2018

  Actual Average Record
Temperature  
Mean Temperature 36 °F -  
Max Temperature 46 °F 45 °F 55 °F (1962)
Min Temperature 27 °F 36 °F 18 °F (1972)
Degree Days  
Heating Degree Days 28    
Moisture  
Dew Point 22 °F    
Average Humidity 56    
Maximum Humidity 75    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 9 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

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 07, 2018 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 7:53 AM PST (12/7) 5:00 PM PST (12/7)
Length of Visible Light 9h 46m
Length of Day
8h 34m
New Moon, 0% of the Moon is Illuminated
Dec 7
New Moon
Dec 15
First Quarter
Dec 22
Full
Dec 29
Last Quarter
Jan 5
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 28.9 °F - 19.9 °F 69% 30.11 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 28.0 °F - 19.0 °F 69% 30.11 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 27.0 °F - 19.9 °F 75% 30.11 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 27.0 °F - 19.9 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 27.0 °F - 19.9 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 28.0 °F - 19.9 °F 72% 30.13 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 28.0 °F - 19.9 °F 72% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 30.0 °F - 21.0 °F 69% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 30.9 °F - 21.9 °F 69% 30.15 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 39.0 °F 36.8 °F 23.0 °F 53% 30.15 in 10.0 mi South 3.5 mph - N/A   Clear
10:53 AM 42.1 °F 39.2 °F 21.9 °F 45% 30.14 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
11:53 AM 45.0 °F 40.6 °F 21.9 °F 40% 30.14 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
12:53 PM 46.0 °F 41.9 °F 21.9 °F 39% 30.13 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
1:53 PM 46.9 °F - 21.9 °F 37% 30.12 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
2:53 PM 46.0 °F 41.4 °F 21.9 °F 39% 30.13 in 10.0 mi SSE 9.2 mph - N/A   Clear
3:53 PM 41.0 °F 35.8 °F 23.0 °F 49% 30.14 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
4:53 PM 42.1 °F 37.7 °F 21.9 °F 45% 30.16 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
5:53 PM 41.0 °F 35.8 °F 21.9 °F 47% 30.17 in 10.0 mi SSE 8.1 mph - N/A   Clear
6:53 PM 41.0 °F 36.4 °F 21.9 °F 47% 30.17 in 10.0 mi SSE 6.9 mph - N/A   Clear
7:53 PM 39.9 °F 35.1 °F 23.0 °F 51% 30.18 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy
8:53 PM 39.0 °F 34.8 °F 23.0 °F 53% 30.19 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
9:53 PM 39.0 °F 35.7 °F 21.9 °F 50% 30.20 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
10:53 PM 39.0 °F 36.8 °F 23.0 °F 53% 30.22 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
11:53 PM 37.0 °F 31.6 °F 24.1 °F 59% 30.22 in 10.0 mi SE 6.9 mph - N/A   Partly Cloudy