Seattle Boeing, WA

4:29 AM PDT on April 07, 2020 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2019

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Sunday, September 8, 2019

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 73 °F 70 °F 85 °F (1993)
Min Temperature 60 °F 53 °F 43 °F (1950)
Cooling Degree Days 1    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 79    
Maximum Humidity 90    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
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. 08, 2019 Rise Set
Actual Time 6:37 AM PDT 7:35 PM PDT
Civil Twilight 6:05 AM PDT 8:07 PM PDT
Nautical Twilight 5:28 AM PDT 8:44 PM PDT
Astronomical Twilight 4:48 AM PDT 9:24 PM PDT
Moon 5:09 PM PDT (9/8) 1:00 AM PDT (9/8)
Length of Visible Light 14h 01m
Length of Day
12h 58m
Waxing Gibbous, 76% of the Moon is Illuminated
Sep 8
Waxing Gibbous
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
12:00 AM 62.1 °F 57.9 °F 86% 29.98 in 10.0 mi SE 5.8 mph - N/A   Overcast
12:53 AM 62.1 °F 57.0 °F 84% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Overcast
1:15 AM 62.1 °F 55.9 °F 80% 29.96 in 10.0 mi South 6.9 mph - N/A   Overcast
1:53 AM 62.1 °F 55.9 °F 80% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Overcast
2:53 AM 61.0 °F 55.9 °F 83% 29.95 in 10.0 mi SSE 9.2 mph - N/A   Overcast
3:53 AM 61.0 °F 55.9 °F 83% 29.95 in 10.0 mi SSE 11.5 mph - N/A   Overcast
4:53 AM 60.1 °F 57.0 °F 90% 29.95 in 4.0 mi SSE 8.1 mph - N/A   Overcast
5:53 AM 60.1 °F 57.0 °F 90% 29.94 in 2.0 mi SE 8.1 mph - N/A   Overcast
6:53 AM 60.1 °F 55.9 °F 86% 29.94 in 2.5 mi South 6.9 mph - N/A   Overcast
7:53 AM 60.1 °F 57.0 °F 90% 29.94 in 2.5 mi SSE 9.2 mph - N/A   Overcast
8:53 AM 61.0 °F 57.0 °F 87% 29.92 in 2.5 mi South 9.2 mph - N/A   Overcast
9:00 AM 61.0 °F 57.0 °F 87% 29.92 in 6.0 mi SSE 9.2 mph - N/A   Overcast
9:40 AM 61.0 °F 57.9 °F 90% 29.92 in 2.0 mi South 9.2 mph - 0.00 in Rain Light Rain
9:53 AM 61.0 °F 57.9 °F 90% 29.92 in 2.0 mi SSE 8.1 mph - 0.00 in   Overcast
10:53 AM 63.0 °F 57.9 °F 84% 29.91 in 10.0 mi South 6.9 mph - 0.00 in   Overcast
11:40 AM 64.9 °F 57.9 °F 78% 29.90 in 10.0 mi South 4.6 mph - N/A   Overcast
11:53 AM 64.9 °F 57.9 °F 78% 29.90 in 10.0 mi SSE 6.9 mph - N/A   Overcast
12:53 PM 69.1 °F 57.0 °F 65% 29.89 in 10.0 mi South 5.8 mph - N/A   Overcast
1:53 PM 71.1 °F 55.0 °F 57% 29.88 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
2:53 PM 72.0 °F 54.0 °F 53% 29.86 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
3:53 PM 71.1 °F 55.9 °F 59% 29.86 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
4:53 PM 68.0 °F 55.0 °F 63% 29.86 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
5:53 PM 66.9 °F 55.9 °F 68% 29.86 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
6:53 PM 64.9 °F 55.0 °F 70% 29.85 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
7:53 PM 64.0 °F 55.9 °F 75% 29.86 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
8:53 PM 63.0 °F 57.0 °F 81% 29.87 in 10.0 mi SSE 6.9 mph - 0.00 in Rain Light Rain
9:53 PM 63.0 °F 57.9 °F 84% 29.86 in 10.0 mi SSE 3.5 mph - 0.00 in   Overcast
10:53 PM 63.0 °F 59.0 °F 87% 29.86 in 10.0 mi SE 4.6 mph - N/A   Overcast
11:53 PM 63.0 °F 57.9 °F 84% 29.85 in 10.0 mi SSE 3.5 mph - N/A   Overcast