Seattle Boeing, WA

9:02 PM PDT on April 07, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Friday, September 13, 2019

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 71 °F 71 °F 86 °F (1961)
Min Temperature 62 °F 51 °F 39 °F (1952)
Cooling Degree Days 2    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 75    
Maximum Humidity 87    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 22 mph    
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. 13, 2019 Rise Set
Actual Time 6:43 AM PDT 7:25 PM PDT
Civil Twilight 6:12 AM PDT 7:56 PM PDT
Nautical Twilight 5:35 AM PDT 8:33 PM PDT
Astronomical Twilight 4:56 AM PDT 9:11 PM PDT
Moon 7:46 PM PDT (9/13) 5:58 AM PDT (9/13)
Length of Visible Light 13h 43m
Length of Day
12h 41m
Full, 100% of the Moon is Illuminated
Sep 13
Full
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
12:18 AM 64.0 °F 60.1 °F 87% 30.07 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
12:25 AM 64.0 °F 60.1 °F 87% 30.07 in 10.0 mi SSE 11.5 mph - N/A   Overcast
12:53 AM 63.0 °F 59.0 °F 87% 30.07 in 10.0 mi South 8.1 mph - N/A   Overcast
1:53 AM 63.0 °F 59.0 °F 87% 30.09 in 10.0 mi South 5.8 mph - N/A   Overcast
2:53 AM 63.0 °F 57.9 °F 84% 30.09 in 10.0 mi South 6.9 mph - N/A   Overcast
3:53 AM 62.1 °F 57.9 °F 86% 30.09 in 10.0 mi South 8.1 mph - N/A   Overcast
4:15 AM 62.1 °F 57.0 °F 84% 30.09 in 10.0 mi South 8.1 mph - N/A   Overcast
4:53 AM 62.1 °F 57.0 °F 84% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
5:19 AM 62.1 °F 57.0 °F 84% 30.09 in 10.0 mi ESE 3.5 mph - N/A   Overcast
5:53 AM 62.1 °F 57.0 °F 84% 30.10 in 10.0 mi SSE 8.1 mph - N/A   Overcast
6:53 AM 62.1 °F 57.0 °F 84% 30.10 in 10.0 mi SSE 6.9 mph - 0.00 in   Overcast
7:53 AM 62.1 °F 57.0 °F 84% 30.12 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:48 AM 64.4 °F 57.2 °F 77% 30.13 in 10.0 mi Variable 5.8 mph - N/A   Overcast
8:53 AM 64.0 °F 57.0 °F 78% 30.13 in 10.0 mi SSE 11.5 mph 18.4 mph N/A   Overcast
9:53 AM 64.9 °F 57.0 °F 75% 30.13 in 10.0 mi South 8.1 mph - N/A   Overcast
10:20 AM 66.0 °F 57.0 °F 73% 30.14 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
10:27 AM 66.0 °F 57.0 °F 73% 30.14 in 10.0 mi South 8.1 mph - N/A   Overcast
10:53 AM 66.9 °F 57.0 °F 70% 30.14 in 10.0 mi SSW 6.9 mph - N/A   Overcast
11:53 AM 69.1 °F 57.0 °F 65% 30.15 in 10.0 mi South 11.5 mph - N/A   Overcast
12:53 PM 69.1 °F 55.9 °F 63% 30.14 in 10.0 mi South 10.4 mph 21.9 mph N/A   Overcast
1:53 PM 70.0 °F 55.9 °F 61% 30.13 in 10.0 mi South 11.5 mph 19.6 mph N/A   Mostly Cloudy
2:00 PM 70.0 °F 55.9 °F 61% 30.13 in 10.0 mi South 9.2 mph 20.7 mph N/A   Mostly Cloudy
2:53 PM 69.1 °F 55.0 °F 61% 30.12 in 10.0 mi SSW 11.5 mph 18.4 mph N/A   Mostly Cloudy
4:53 PM 71.1 °F 55.9 °F 59% 30.10 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
5:53 PM 69.1 °F 57.0 °F 65% 30.10 in 10.0 mi South 10.4 mph - N/A   Overcast
6:53 PM 68.0 °F 55.9 °F 65% 30.09 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
8:53 PM 66.0 °F 55.9 °F 70% 30.10 in 10.0 mi South 8.1 mph - N/A   Overcast
9:53 PM 64.9 °F 55.9 °F 73% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
10:53 PM 64.9 °F 55.0 °F 70% 30.09 in 10.0 mi South 12.7 mph 20.7 mph N/A   Mostly Cloudy
11:53 PM 64.0 °F 55.9 °F 75% 30.08 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds