Seattle Boeing, WA

4:36 AM PDT on April 07, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Thursday, September 5, 2019

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 79 °F 71 °F 88 °F (1973)
Min Temperature 60 °F 53 °F 44 °F (1950)
Cooling Degree Days 4    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 63    
Maximum Humidity 83    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 10 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. 05, 2019 Rise Set
Actual Time 6:33 AM PDT 7:41 PM PDT
Civil Twilight 6:01 AM PDT 8:13 PM PDT
Nautical Twilight 5:23 AM PDT 8:51 PM PDT
Astronomical Twilight 4:42 AM PDT 9:31 PM PDT
Moon 2:15 PM PDT (9/5) 11:30 PM PDT (9/5)
Length of Visible Light 14h 11m
Length of Day
13h 08m
Waxing Crescent, 46% of the Moon is Illuminated
Sep 5
Waxing Crescent
Sep 5
First Quarter
Sep 13
Full
Sep 21
Last Quarter
Sep 28
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.0 °F 55.0 °F 73% 30.02 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 63.0 °F 54.0 °F 72% 30.02 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 61.0 °F 54.0 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 61.0 °F 55.0 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 61.0 °F 55.0 °F 81% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:53 AM 60.1 °F 54.0 °F 80% 30.01 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 60.1 °F 55.0 °F 83% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 63.0 °F 55.0 °F 75% 30.03 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.0 °F 55.9 °F 70% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
9:53 AM 66.9 °F 55.9 °F 68% 30.03 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
10:53 AM 70.0 °F 57.0 °F 63% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:53 AM 73.9 °F 57.0 °F 55% 30.01 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
12:53 PM 73.9 °F 55.0 °F 52% 29.99 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
1:53 PM 75.0 °F 55.9 °F 51% 29.98 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
2:53 PM 77.0 °F 55.0 °F 47% 29.97 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
3:53 PM 77.0 °F 55.0 °F 47% 29.94 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:53 PM 75.9 °F 55.0 °F 48% 29.93 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
5:53 PM 77.0 °F 55.0 °F 47% 29.92 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
6:53 PM 75.9 °F 55.0 °F 48% 29.91 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
7:53 PM 73.0 °F 55.0 °F 53% 29.92 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
8:53 PM 72.0 °F 55.0 °F 55% 29.94 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
9:53 PM 70.0 °F 55.9 °F 61% 29.94 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 70.0 °F 55.9 °F 61% 29.95 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 69.1 °F 55.9 °F 63% 29.96 in 10.0 mi Calm Calm - N/A   Clear