Seattle Boeing, WA

9:11 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 22, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 64 °F 69 °F 92 °F (1990)
Min Temperature 59 °F 50 °F 37 °F (1955)
Degree Days  
Heating Degree Days 3    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 84    
Maximum Humidity 90    
Minimum Humidity 75    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 9 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. 22, 2019 Rise Set
Actual Time 6:55 AM PDT 7:07 PM PDT
Civil Twilight 6:25 AM PDT 7:37 PM PDT
Nautical Twilight 5:48 AM PDT 8:13 PM PDT
Astronomical Twilight 5:11 AM PDT 8:51 PM PDT
Moon No Moon Rise 3:34 PM PDT (9/22)
Length of Visible Light 13h 12m
Length of Day
12h 11m
Last Quarter, 43% of the Moon is Illuminated
Sep 22
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 63.0 °F 55.9 °F 78% 29.95 in 10.0 mi SE 4.6 mph - N/A   Overcast
1:53 AM 63.0 °F 55.9 °F 78% 29.94 in 10.0 mi SSE 5.8 mph - N/A   Overcast
2:53 AM 61.0 °F 55.9 °F 83% 29.91 in 10.0 mi SE 5.8 mph - N/A   Clear
3:53 AM 62.1 °F 55.9 °F 80% 29.90 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
4:53 AM 61.0 °F 55.9 °F 83% 29.89 in 10.0 mi South 4.6 mph - N/A   Overcast
5:53 AM 61.0 °F 57.0 °F 87% 29.88 in 10.0 mi SSE 5.8 mph - N/A   Overcast
6:53 AM 60.1 °F 57.0 °F 90% 29.86 in 10.0 mi SSE 4.6 mph - 0.00 in Rain Light Rain
7:53 AM 61.0 °F 55.9 °F 83% 29.86 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
8:53 AM 61.0 °F 57.0 °F 87% 29.86 in 10.0 mi SE 8.1 mph - 0.00 in Rain Light Rain
9:53 AM 61.0 °F 57.9 °F 90% 29.87 in 8.0 mi SE 6.9 mph - 0.00 in Rain Light Rain
10:53 AM 62.1 °F 57.9 °F 86% 29.86 in 8.0 mi SSE 9.2 mph - 0.01 in Rain Light Rain
11:53 AM 63.0 °F 57.9 °F 84% 29.86 in 8.0 mi SSE 9.2 mph - 0.00 in Rain Light Rain
12:53 PM 63.0 °F 59.0 °F 87% 29.86 in 7.0 mi South 9.2 mph - 0.00 in Rain Light Rain
1:53 PM 63.0 °F 59.0 °F 87% 29.86 in 5.0 mi South 8.1 mph - 0.00 in Rain Light Rain
2:00 PM 63.0 °F 59.0 °F 87% 29.86 in 3.0 mi South 9.2 mph - 0.00 in Rain Light Rain
2:53 PM 63.0 °F 60.1 °F 90% 29.87 in 5.0 mi South 8.1 mph - 0.00 in Rain Light Rain
3:53 PM 63.0 °F 60.1 °F 90% 29.85 in 10.0 mi SE 10.4 mph - 0.00 in Rain Light Rain
4:53 PM 64.0 °F 60.1 °F 87% 29.86 in 10.0 mi SSE 9.2 mph - 0.00 in   Overcast
5:53 PM 64.9 °F 59.0 °F 81% 29.87 in 10.0 mi South 4.6 mph - 0.00 in   Overcast
6:53 PM 63.0 °F 57.0 °F 81% 29.88 in 10.0 mi SSW 5.8 mph - 0.00 in   Mostly Cloudy
7:53 PM 61.0 °F 55.0 °F 81% 29.91 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
8:53 PM 61.0 °F 54.0 °F 78% 29.95 in 10.0 mi SSW 4.6 mph - N/A   Overcast
9:53 PM 61.0 °F 53.1 °F 75% 29.98 in 10.0 mi SE 4.6 mph - N/A   Overcast
10:53 PM 60.1 °F 54.0 °F 80% 29.99 in 10.0 mi South 5.8 mph - N/A   Overcast
11:53 PM 59.0 °F 55.0 °F 87% 30.03 in 10.0 mi SSE 6.9 mph - 0.00 in   Overcast