Seattle Boeing, WA

4:33 AM PDT on April 07, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Wednesday, September 25, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 69 °F 67 °F 85 °F (1991)
Min Temperature 55 °F 50 °F 36 °F (1972)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 65    
Maximum Humidity 84    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 12 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. 25, 2019 Rise Set
Actual Time 6:59 AM PDT 7:01 PM PDT
Civil Twilight 6:29 AM PDT 7:31 PM PDT
Nautical Twilight 5:53 AM PDT 8:07 PM PDT
Astronomical Twilight 5:16 AM PDT 8:44 PM PDT
Moon 2:37 AM PDT (9/25) 5:55 PM PDT (9/25)
Length of Visible Light 13h 02m
Length of Day
12h 01m
Waning Crescent, 13% of the Moon is Illuminated
Sep 25
Waning Crescent
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last 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 60.1 °F 51.1 °F 72% 30.29 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
1:53 AM 59.0 °F 51.1 °F 75% 30.29 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 55.9 °F 50.0 °F 80% 30.29 in 10.0 mi Variable 3.5 mph - N/A   Clear
3:53 AM 57.9 °F 50.0 °F 75% 30.29 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 55.9 °F 50.0 °F 80% 30.30 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 AM 55.0 °F 50.0 °F 83% 30.29 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 55.9 °F 51.1 °F 84% 30.30 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 55.9 °F 51.1 °F 84% 30.30 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 59.0 °F 52.0 °F 78% 30.31 in 9.0 mi NNW 3.5 mph - N/A   Partly Cloudy
9:53 AM 62.1 °F 50.0 °F 65% 30.31 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
10:53 AM 64.9 °F 50.0 °F 58% 30.30 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
11:53 AM 64.0 °F 48.9 °F 58% 30.29 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
12:53 PM 66.0 °F 48.9 °F 54% 30.28 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:53 PM 66.9 °F 48.9 °F 52% 30.26 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
2:53 PM 68.0 °F 46.9 °F 47% 30.25 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:53 PM 68.0 °F 46.9 °F 47% 30.22 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
4:53 PM 68.0 °F 48.0 °F 49% 30.19 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
5:53 PM 66.9 °F 46.9 °F 49% 30.17 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
6:53 PM 66.0 °F 48.0 °F 52% 30.16 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
7:53 PM 64.0 °F 48.9 °F 58% 30.13 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
8:53 PM 62.1 °F 48.9 °F 62% 30.11 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
9:53 PM 60.1 °F 50.0 °F 69% 30.08 in 10.0 mi SSE 8.1 mph - N/A   Clear
10:53 PM 61.0 °F 50.0 °F 67% 30.06 in 10.0 mi SE 8.1 mph - N/A   Scattered Clouds
11:53 PM 59.0 °F 50.0 °F 72% 30.03 in 10.0 mi SE 11.5 mph - N/A   Scattered Clouds