Seattle Boeing, WA

10:46 PM PDT on March 26, 2017 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - August, 2012

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Wednesday, August 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 74 °F -  
Max Temperature 84 °F 74 °F 95 °F (2010)
Min Temperature 63 °F 55 °F 47 °F (1955)
Cooling Degree Days 8    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 55    
Maximum Humidity 84    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
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

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Date:

Astronomy

Aug. 15, 2012 Rise Set
Actual Time 6:05 AM PDT 8:20 PM PDT
Civil Twilight 5:32 AM PDT 8:53 PM PDT
Nautical Twilight 4:50 AM PDT 9:35 PM PDT
Astronomical Twilight 4:02 AM PDT 10:22 PM PDT
Moon 4:04 AM PDT (8/15) 6:58 PM PDT (8/15)
Length of Visible Light 15h 21m
Length of Day
14h 14m
Waning Crescent, 4% of the Moon is Illuminated
Aug 15
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.0 °F - 57.0 °F 73% 29.92 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 64.9 °F - 57.0 °F 75% 29.92 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:53 AM 63.0 °F - 57.0 °F 81% 29.93 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 64.0 °F - 57.0 °F 78% 29.93 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 63.0 °F - 57.9 °F 84% 29.93 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 63.0 °F - 57.0 °F 81% 29.94 in 10.0 mi NNE 3.5 mph - N/A   Clear
6:53 AM 63.0 °F - 57.0 °F 81% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Clear
7:53 AM 64.9 °F - 57.9 °F 78% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:53 AM 68.0 °F - 57.9 °F 70% 29.96 in 10.0 mi NE 4.6 mph - N/A   Clear
9:53 AM 72.0 °F - 57.9 °F 61% 29.95 in 10.0 mi NE 8.1 mph - N/A   Clear
10:53 AM 75.0 °F - 59.0 °F 57% 29.95 in 10.0 mi Variable 5.8 mph - N/A   Clear
11:53 AM 78.1 °F - 57.9 °F 50% 29.94 in 10.0 mi Variable 5.8 mph - N/A   Clear
12:53 PM 81.0 °F 80.8 °F 55.9 °F 42% 29.93 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:53 PM 82.9 °F 81.8 °F 53.1 °F 36% 29.92 in 10.0 mi NNW 9.2 mph - N/A   Clear
2:53 PM 84.0 °F - 51.1 °F 32% 29.90 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Clear
3:53 PM 82.9 °F 81.9 °F 54.0 °F 37% 29.88 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:53 PM 82.9 °F 81.8 °F 53.1 °F 36% 29.87 in 10.0 mi WNW 9.2 mph 18.4 mph N/A   Clear
5:53 PM 82.9 °F - 52.0 °F 34% 29.85 in 10.0 mi NW 9.2 mph - N/A   Clear
6:53 PM 82.0 °F - 52.0 °F 35% 29.84 in 10.0 mi NW 8.1 mph - N/A   Clear
7:53 PM 80.1 °F - 51.1 °F 36% 29.85 in 10.0 mi NW 6.9 mph - N/A   Clear
8:53 PM 79.0 °F - 51.1 °F 38% 29.87 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:53 PM 77.0 °F - 50.0 °F 39% 29.88 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:53 PM 75.2 °F - 51.8 °F 44% 29.88 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 PM 73.0 °F - 50.0 °F 44% 29.89 in 10.0 mi Calm Calm - N/A   Clear