Seattle Boeing, WA

9:16 AM PDT on May 29, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Monday, September 16, 2019

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 69 °F 69 °F 91 °F (1967)
Min Temperature 52 °F 52 °F 44 °F (1952)
Degree Days  
Heating Degree Days 5    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 79    
Maximum Humidity 97    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 16 mph    
Max Gust Speed -    
Visibility 8 miles    
Events Fog , Rain    
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. 16, 2019 Rise Set
Actual Time 6:47 AM PDT 7:19 PM PDT
Civil Twilight 6:16 AM PDT 7:50 PM PDT
Nautical Twilight 5:40 AM PDT 8:26 PM PDT
Astronomical Twilight 5:01 AM PDT 9:04 PM PDT
Moon 8:47 PM PDT (9/16) 9:06 AM PDT (9/16)
Length of Visible Light 13h 33m
Length of Day
12h 31m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F 52.0 °F 83% 29.78 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
1:53 AM 55.9 °F 52.0 °F 87% 29.79 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
2:53 AM 55.9 °F 53.1 °F 90% 29.78 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
3:53 AM 54.0 °F 52.0 °F 93% 29.79 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 54.0 °F 52.0 °F 93% 29.79 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 AM 54.0 °F 51.1 °F 90% 29.80 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:22 AM 53.1 °F 51.1 °F 93% 29.80 in 0.5 mi SE 3.5 mph - N/A Fog Fog
6:53 AM 52.0 °F 51.1 °F 97% 29.81 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
7:10 AM 53.1 °F 50.0 °F 89% 29.80 in 0.5 mi SSE 4.6 mph - N/A Fog Fog
7:53 AM 53.1 °F 52.0 °F 96% 29.82 in 0.8 mi SE 3.5 mph - N/A Fog Fog
8:00 AM 53.1 °F 52.0 °F 96% 29.82 in 0.8 mi Calm Calm - N/A Fog Fog
8:11 AM 54.0 °F 53.1 °F 97% 29.82 in 4.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 55.9 °F 53.1 °F 90% 29.83 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
9:53 AM 57.9 °F 53.1 °F 84% 29.82 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
10:53 AM 61.0 °F 52.0 °F 72% 29.82 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
11:53 AM 64.0 °F 53.1 °F 67% 29.82 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
12:53 PM 64.9 °F 51.1 °F 61% 29.82 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
1:53 PM 66.9 °F 48.9 °F 52% 29.82 in 10.0 mi North - - N/A   Scattered Clouds
2:53 PM 66.0 °F 48.0 °F 52% 29.82 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
3:53 PM 68.0 °F 48.0 °F 49% 29.82 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
4:53 PM 68.0 °F 48.0 °F 49% 29.82 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
5:53 PM 64.0 °F 52.0 °F 65% 29.85 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
6:02 PM 64.0 °F 52.0 °F 65% 29.85 in 10.0 mi SE 16.1 mph - N/A   Mostly Cloudy
6:53 PM 61.0 °F 52.0 °F 72% 29.85 in 10.0 mi SSE 11.5 mph - 0.00 in Rain Light Rain
7:53 PM 61.0 °F 51.1 °F 70% 29.86 in 10.0 mi South 8.1 mph - 0.00 in   Overcast
8:53 PM 57.9 °F 53.1 °F 84% 29.86 in 10.0 mi SE 10.4 mph - 0.00 in   Mostly Cloudy
9:53 PM 57.9 °F 53.1 °F 84% 29.86 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
10:53 PM 57.9 °F 54.0 °F 87% 29.86 in 10.0 mi SE 9.2 mph - 0.00 in   Mostly Cloudy
11:53 PM 57.9 °F 53.1 °F 84% 29.84 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy