Seattle Boeing, WA

11:15 AM PDT on May 29, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Sunday, September 15, 2019

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 62 °F 69 °F 93 °F (1967)
Min Temperature 57 °F 51 °F 42 °F (1952)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 84    
Maximum Humidity 90    
Minimum Humidity 75    
Precipitation  
Precipitation 0.07 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 9 mph (SSE)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 8 miles    
Events 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. 15, 2019 Rise Set
Actual Time 6:46 AM PDT 7:21 PM PDT
Civil Twilight 6:15 AM PDT 7:52 PM PDT
Nautical Twilight 5:38 AM PDT 8:29 PM PDT
Astronomical Twilight 5:00 AM PDT 9:07 PM PDT
Moon 8:27 PM PDT (9/15) 8:03 AM PDT (9/15)
Length of Visible Light 13h 36m
Length of Day
12h 35m
Full, 98% of the Moon is Illuminated
Sep 15
Full
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 61.0 °F 57.9 °F 90% 29.77 in 9.0 mi SE 9.2 mph - 0.00 in Rain Light Rain
1:53 AM 61.0 °F 57.9 °F 90% 29.76 in 5.0 mi SSE 10.4 mph - 0.00 in Rain Light Rain
2:53 AM 60.1 °F 57.0 °F 90% 29.74 in 2.5 mi South 6.9 mph - 0.05 in Rain Rain
3:05 AM 60.1 °F 57.0 °F 90% 29.74 in 3.0 mi South 9.2 mph - 0.00 in Rain Light Rain
3:32 AM 60.1 °F 55.9 °F 86% 29.74 in 3.0 mi South 5.8 mph - 0.00 in Rain Light Rain
3:53 AM 59.0 °F 55.9 °F 90% 29.75 in 4.0 mi South 9.2 mph - 0.00 in Rain Light Rain
4:53 AM 59.0 °F 55.9 °F 90% 29.73 in 10.0 mi SSE 10.4 mph - 0.00 in Rain Light Rain
5:53 AM 60.1 °F 55.9 °F 86% 29.72 in 10.0 mi SSE 10.4 mph - 0.00 in Rain Light Rain
6:53 AM 60.1 °F 55.9 °F 86% 29.72 in 10.0 mi SSE 10.4 mph - 0.00 in Rain Light Rain
7:53 AM 60.1 °F 55.9 °F 86% 29.73 in 7.0 mi South 8.1 mph - 0.00 in Rain Light Rain
8:53 AM 60.1 °F 57.0 °F 90% 29.72 in 10.0 mi SSE 8.1 mph - 0.00 in Rain Light Rain
9:53 AM 60.1 °F 55.0 °F 83% 29.74 in 10.0 mi SSE 10.4 mph - 0.00 in Rain Light Rain
10:53 AM 60.1 °F 55.9 °F 86% 29.74 in 6.0 mi SE 9.2 mph - 0.00 in Rain Light Rain
11:53 AM 60.1 °F 55.9 °F 86% 29.75 in 6.0 mi SSE 6.9 mph - 0.02 in Rain Light Rain
12:53 PM 60.1 °F 55.0 °F 83% 29.74 in 6.0 mi SSE 8.1 mph - 0.00 in   Overcast
1:00 PM 61.0 °F 55.0 °F 81% 29.75 in 10.0 mi SSE 10.4 mph - N/A   Overcast
1:53 PM 61.0 °F 55.0 °F 81% 29.75 in 9.0 mi SSE 9.2 mph - 0.00 in   Overcast
2:53 PM 61.0 °F 55.9 °F 83% 29.75 in 10.0 mi SSE 11.5 mph - 0.00 in   Mostly Cloudy
3:53 PM 62.1 °F 55.0 °F 78% 29.75 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
4:53 PM 62.1 °F 55.0 °F 78% 29.75 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
5:53 PM 62.1 °F 54.0 °F 75% 29.75 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
6:53 PM 61.0 °F 54.0 °F 78% 29.75 in 10.0 mi South 10.4 mph 18.4 mph N/A   Scattered Clouds
7:53 PM 60.1 °F 53.1 °F 78% 29.77 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
8:53 PM 59.0 °F 53.1 °F 81% 29.77 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
9:53 PM 59.0 °F 53.1 °F 81% 29.76 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
10:53 PM 57.9 °F 53.1 °F 84% 29.77 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
11:53 PM 59.0 °F 53.1 °F 81% 29.78 in 10.0 mi SE 6.9 mph - N/A   Overcast