Seattle Boeing, WA

2:54 AM PDT on April 08, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Thursday, September 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 71 °F 67 °F 82 °F (1999)
Min Temperature 53 °F 51 °F 40 °F (1957)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 2 mph (SSW)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 10 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. 19, 2019 Rise Set
Actual Time 6:51 AM PDT 7:13 PM PDT
Civil Twilight 6:20 AM PDT 7:44 PM PDT
Nautical Twilight 5:44 AM PDT 8:20 PM PDT
Astronomical Twilight 5:06 AM PDT 8:57 PM PDT
Moon 10:04 PM PDT (9/19) 12:21 PM PDT (9/19)
Length of Visible Light 13h 23m
Length of Day
12h 21m
Waning Gibbous, 73% of the Moon is Illuminated
Sep 19
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 55.9 °F 51.1 °F 84% 30.01 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 54.0 °F 50.0 °F 86% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 AM 53.1 °F 50.0 °F 89% 30.04 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
3:53 AM 55.0 °F 51.1 °F 86% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 53.1 °F 51.1 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 AM 54.0 °F 51.1 °F 90% 30.05 in 10.0 mi SSE 5.8 mph - N/A   Overcast
6:53 AM 55.0 °F 51.1 °F 86% 30.06 in 10.0 mi SSE 6.9 mph - N/A   Overcast
7:53 AM 55.9 °F 52.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 57.0 °F 53.1 °F 87% 30.09 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
9:53 AM 59.0 °F 53.1 °F 81% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 62.1 °F 53.1 °F 72% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 64.9 °F 53.1 °F 65% 30.09 in 10.0 mi SE 3.5 mph - N/A   Clear
12:24 PM 64.0 °F 53.1 °F 67% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:53 PM 66.0 °F 53.1 °F 63% 30.09 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
1:53 PM 68.0 °F 52.0 °F 56% 30.07 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
2:53 PM 68.0 °F 52.0 °F 56% 30.06 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
3:53 PM 70.0 °F 51.1 °F 51% 30.05 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
4:53 PM 68.0 °F 51.1 °F 55% 30.05 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
5:53 PM 68.0 °F 50.0 °F 52% 30.05 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
6:53 PM 66.9 °F 51.1 °F 57% 30.05 in 10.0 mi West 3.5 mph - N/A   Overcast
7:53 PM 66.0 °F 53.1 °F 63% 30.05 in 10.0 mi Variable 3.5 mph - N/A   Overcast
8:53 PM 62.1 °F 54.0 °F 75% 30.06 in 10.0 mi WNW 4.6 mph - 0.00 in Rain Light Rain
9:53 PM 61.0 °F 55.0 °F 81% 30.06 in 10.0 mi WNW 3.5 mph - 0.00 in   Overcast
10:50 PM 60.8 °F 55.4 °F 82% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 61.0 °F 55.0 °F 81% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 61.0 °F 55.0 °F 81% 30.06 in 10.0 mi Calm Calm - N/A   Overcast