Seattle Boeing, WA

11:14 AM PDT on May 29, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Friday, September 6, 2019

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 80 °F 72 °F 88 °F (1986)
Min Temperature 62 °F 53 °F 45 °F (1948)
Cooling Degree Days 5    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 66    
Maximum Humidity 84    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 13 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

Sep. 06, 2019 Rise Set
Actual Time 6:34 AM PDT 7:39 PM PDT
Civil Twilight 6:02 AM PDT 8:11 PM PDT
Nautical Twilight 5:25 AM PDT 8:48 PM PDT
Astronomical Twilight 4:44 AM PDT 9:28 PM PDT
Moon 3:20 PM PDT (9/6) No Moon Set
Length of Visible Light 14h 08m
Length of Day
13h 05m
First Quarter, 57% of the Moon is Illuminated
Sep 6
First Quarter
Sep 13
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.9 °F 55.9 °F 68% 29.96 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:53 AM 66.9 °F 55.9 °F 68% 29.97 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:53 AM 66.0 °F 55.9 °F 70% 29.97 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 64.9 °F 55.9 °F 73% 29.99 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 63.0 °F 55.9 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 63.0 °F 55.9 °F 78% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
6:53 AM 62.1 °F 57.0 °F 84% 30.04 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
7:53 AM 64.0 °F 57.9 °F 80% 30.06 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
8:38 AM 66.0 °F 57.9 °F 75% 30.07 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
8:53 AM 64.9 °F 57.9 °F 78% 30.08 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
9:53 AM 70.0 °F 57.9 °F 65% 30.07 in 10.0 mi SE 9.2 mph - N/A   Partly Cloudy
10:53 AM 71.1 °F 57.0 °F 61% 30.08 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
11:53 AM 73.9 °F 57.9 °F 57% 30.07 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
12:53 PM 75.0 °F 57.9 °F 55% 30.07 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
1:53 PM 78.1 °F 57.9 °F 50% 30.08 in 10.0 mi South 8.1 mph - N/A   Clear
2:53 PM 78.1 °F 57.0 °F 48% 30.07 in 10.0 mi SSW 11.5 mph - N/A   Clear
3:53 PM 78.1 °F 57.9 °F 50% 30.07 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
4:53 PM 77.0 °F 57.9 °F 52% 30.08 in 10.0 mi SSW 9.2 mph - N/A   Clear
5:53 PM 73.9 °F 57.9 °F 57% 30.08 in 10.0 mi SSW 8.1 mph - N/A   Clear
6:53 PM 70.0 °F 57.0 °F 63% 30.10 in 10.0 mi SSW 6.9 mph - N/A   Clear
7:53 PM 66.9 °F 55.9 °F 68% 30.12 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
8:53 PM 66.0 °F 55.0 °F 68% 30.12 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
9:36 PM 66.0 °F 55.0 °F 68% 30.12 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
9:53 PM 66.0 °F 55.0 °F 68% 30.13 in 10.0 mi SW 5.8 mph - N/A   Overcast
10:53 PM 64.9 °F 55.0 °F 70% 30.12 in 10.0 mi South 3.5 mph - N/A   Overcast
11:53 PM 64.9 °F 55.0 °F 70% 30.10 in 10.0 mi South 3.5 mph - N/A   Overcast