Seattle Boeing, WA

10:17 PM PDT on May 30, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Tuesday, September 3, 2019

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 82 °F 73 °F 92 °F (1988)
Min Temperature 60 °F 54 °F 45 °F (1956)
Cooling Degree Days 6    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 63    
Maximum Humidity 83    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 2 mph (NW)    
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

Sep. 03, 2019 Rise Set
Actual Time 6:30 AM PDT 7:45 PM PDT
Civil Twilight 5:58 AM PDT 8:17 PM PDT
Nautical Twilight 5:20 AM PDT 8:55 PM PDT
Astronomical Twilight 4:39 AM PDT 9:36 PM PDT
Moon 11:49 AM PDT (9/3) 10:23 PM PDT (9/3)
Length of Visible Light 14h 18m
Length of Day
13h 15m
Waxing Crescent, 25% of the Moon is Illuminated
Sep 3
Waxing Crescent
Sep 5
First Quarter
Sep 13
Full
Sep 21
Last Quarter
Sep 28
New

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.0 °F - 55.9 °F 75% 30.02 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 63.0 °F - 55.9 °F 78% 30.02 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 63.0 °F - 55.9 °F 78% 30.03 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 62.1 °F - 55.9 °F 80% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 61.0 °F - 55.0 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 61.0 °F - 55.0 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 60.1 °F - 55.0 °F 83% 30.04 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 63.0 °F - 57.0 °F 81% 30.05 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.9 °F - 57.0 °F 70% 30.04 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 69.1 °F - 57.0 °F 65% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 73.9 °F - 57.0 °F 55% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 75.0 °F - 55.0 °F 50% 30.02 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
12:53 PM 73.9 °F - 57.0 °F 55% 30.01 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
1:53 PM 78.1 °F - 55.0 °F 45% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:53 PM 81.0 °F 80.7 °F 55.0 °F 41% 29.99 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
3:53 PM 81.0 °F 80.7 °F 55.0 °F 41% 29.98 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
4:53 PM 80.1 °F 80.1 °F 55.0 °F 42% 29.98 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
5:53 PM 79.0 °F - 55.0 °F 44% 29.97 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
6:53 PM 75.0 °F - 55.0 °F 50% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
7:53 PM 71.1 °F - 55.0 °F 57% 29.99 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
8:53 PM 69.1 °F - 55.0 °F 61% 30.01 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
9:53 PM 66.9 °F - 55.0 °F 66% 30.02 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 64.9 °F - 55.0 °F 70% 30.03 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 64.0 °F - 55.0 °F 73% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Clear