Seattle Boeing, WA

2:14 AM PDT on April 08, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Tuesday, September 24, 2019

  Actual Average Record
Temperature  
Mean Temperature 64 °F -  
Max Temperature 70 °F 66 °F 89 °F (1974)
Min Temperature 59 °F 50 °F 38 °F (1948)
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 71    
Maximum Humidity 86    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 7 mph (SSE)    
Max Wind Speed 12 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. 24, 2019 Rise Set
Actual Time 6:58 AM PDT 7:03 PM PDT
Civil Twilight 6:27 AM PDT 7:33 PM PDT
Nautical Twilight 5:51 AM PDT 8:09 PM PDT
Astronomical Twilight 5:14 AM PDT 8:46 PM PDT
Moon 1:23 AM PDT (9/24) 5:16 PM PDT (9/24)
Length of Visible Light 13h 05m
Length of Day
12h 04m
Waning Crescent, 22% of the Moon is Illuminated
Sep 24
Waning Crescent
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
12:45 AM 59.0 °F 53.1 °F 81% 30.17 in 10.0 mi SSE 11.5 mph - N/A   Overcast
12:53 AM 59.0 °F 54.0 °F 83% 30.17 in 10.0 mi SSE 11.5 mph - N/A   Overcast
1:53 AM 60.1 °F 54.0 °F 80% 30.17 in 10.0 mi SSE 8.1 mph - N/A   Overcast
2:53 AM 60.1 °F 54.0 °F 80% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Overcast
3:04 AM 61.0 °F 54.0 °F 78% 30.17 in 10.0 mi South 5.8 mph - N/A   Overcast
3:53 AM 61.0 °F 54.0 °F 78% 30.18 in 10.0 mi Variable 5.8 mph - N/A   Overcast
4:53 AM 61.0 °F 55.0 °F 81% 30.19 in 10.0 mi Variable 5.8 mph - N/A   Overcast
5:53 AM 60.1 °F 55.9 °F 86% 30.19 in 7.0 mi Variable 6.9 mph - N/A   Overcast
6:53 AM 60.1 °F 55.9 °F 86% 30.20 in 10.0 mi South 4.6 mph - 0.00 in   Overcast
7:14 AM 61.0 °F 55.9 °F 83% 30.20 in 10.0 mi South 8.1 mph - N/A   Overcast
7:53 AM 61.0 °F 55.9 °F 83% 30.21 in 10.0 mi South 6.9 mph - N/A   Overcast
8:53 AM 62.1 °F 55.0 °F 78% 30.22 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
9:53 AM 62.1 °F 55.0 °F 78% 30.25 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
10:53 AM 62.1 °F 55.0 °F 78% 30.28 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
11:53 AM 64.0 °F 52.0 °F 65% 30.28 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
12:53 PM 64.0 °F 53.1 °F 67% 30.27 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM 68.0 °F 52.0 °F 56% 30.27 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:53 PM 68.0 °F 52.0 °F 56% 30.25 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:53 PM 68.0 °F 51.1 °F 55% 30.26 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 PM 70.0 °F 51.1 °F 51% 30.25 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
5:53 PM 69.1 °F 51.1 °F 53% 30.23 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
6:53 PM 66.9 °F 48.0 °F 51% 30.23 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
7:53 PM 66.0 °F 50.0 °F 56% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 64.9 °F 54.0 °F 68% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 64.0 °F 51.1 °F 63% 30.25 in 10.0 mi East 4.6 mph - N/A   Overcast
10:53 PM 62.1 °F 52.0 °F 70% 30.26 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:53 PM 61.0 °F 52.0 °F 72% 30.27 in 10.0 mi East 4.6 mph - N/A   Overcast