Seattle Boeing, WA

12:29 PM PDT on May 22, 2018 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2012

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Friday, September 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 84 °F 71 °F 94 °F (1981)
Min Temperature 60 °F 53 °F 45 °F (1960)
Cooling Degree Days 7    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 50    
Maximum Humidity 75    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 9 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. 07, 2012 Rise Set
Actual Time 6:36 AM PDT 7:36 PM PDT
Civil Twilight 6:05 AM PDT 8:07 PM PDT
Nautical Twilight 5:27 AM PDT 8:45 PM PDT
Astronomical Twilight 4:47 AM PDT 9:24 PM PDT
Moon 11:05 PM PDT (9/7) 2:04 PM PDT (9/7)
Length of Visible Light 14h 02m
Length of Day
12h 59m
Waning Gibbous, 57% of the Moon is Illuminated
Sep 7
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
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 63.0 °F 51.1 °F 65% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 62.1 °F 51.1 °F 67% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 61.0 °F 51.1 °F 70% 30.07 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 61.0 °F 50.0 °F 67% 30.08 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 60.1 °F 51.1 °F 72% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 60.1 °F 48.9 °F 67% 30.10 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 60.1 °F 50.0 °F 69% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 61.0 °F 53.1 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.0 °F 52.0 °F 60% 30.13 in 10.0 mi NE 3.5 mph - N/A   Clear
9:53 AM 71.1 °F 51.1 °F 49% 30.13 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:53 AM 73.9 °F 51.1 °F 45% 30.13 in 10.0 mi NW 4.6 mph - N/A   Clear
11:53 AM 73.9 °F 48.0 °F 40% 30.12 in 10.0 mi NW 6.9 mph - N/A   Clear
12:53 PM 78.1 °F 48.0 °F 35% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Clear
1:53 PM 80.1 °F 48.9 °F 34% 30.09 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:53 PM 84.0 °F 48.0 °F 28% 30.07 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:53 PM 84.9 °F 46.0 °F 26% 30.04 in 10.0 mi NW 8.1 mph - N/A   Clear
4:53 PM 84.0 °F 45.0 °F 25% 30.03 in 10.0 mi NW 8.1 mph - N/A   Clear
5:53 PM 82.9 °F 46.9 °F 28% 30.02 in 10.0 mi NW 6.9 mph - N/A   Clear
6:53 PM 81.0 °F 50.0 °F 34% 30.01 in 10.0 mi NW 5.8 mph - N/A   Clear
7:53 PM 75.9 °F 51.1 °F 42% 30.02 in 10.0 mi NW 5.8 mph - N/A   Clear
8:53 PM 73.0 °F 51.1 °F 46% 30.03 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 71.1 °F 51.1 °F 49% 30.04 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 70.0 °F 51.1 °F 51% 30.03 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 68.0 °F 51.1 °F 55% 30.03 in 10.0 mi Calm Calm - N/A   Clear