Seattle Boeing, WA

2:14 PM PST on February 21, 2018 (GMT -0800)
Boeing Field-King County International

Weather History for KBFI - September, 2011

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Tuesday, September 13, 2011

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 66 °F 71 °F 86 °F (1961)
Min Temperature 59 °F 51 °F 39 °F (1952)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 74    
Maximum Humidity 87    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 4 mph (SSW)    
Max Wind Speed 7 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

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Date:

Astronomy

Sep. 13, 2011 Rise Set
Actual Time 6:43 AM PDT 7:25 PM PDT
Civil Twilight 6:12 AM PDT 7:56 PM PDT
Nautical Twilight 5:35 AM PDT 8:33 PM PDT
Astronomical Twilight 4:56 AM PDT 9:12 PM PDT
Moon 7:31 PM PDT (9/13) 8:13 AM PDT (9/13)
Length of Visible Light 13h 44m
Length of Day
12h 42m
Full, 98% of the Moon is Illuminated
Sep 13
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 59.0 °F 53.6 °F 82% 30.12 in 10.0 mi South 4.6 mph - N/A   Overcast
12:53 AM 59.0 °F 54.0 °F 83% 30.13 in 10.0 mi SSE 3.5 mph - N/A   Overcast
1:53 AM 59.0 °F 54.0 °F 83% 30.14 in 10.0 mi SE 5.8 mph - N/A   Overcast
2:53 AM 60.1 °F 54.0 °F 80% 30.14 in 10.0 mi SSW 4.6 mph - N/A   Overcast
3:53 AM 59.0 °F 55.0 °F 87% 30.15 in 10.0 mi South 3.5 mph - N/A   Overcast
4:53 AM 59.0 °F 55.0 °F 87% 30.14 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:53 AM 59.0 °F 55.0 °F 87% 30.14 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:53 AM 59.0 °F 55.0 °F 87% 30.14 in 10.0 mi South 5.8 mph - N/A   Overcast
7:53 AM 60.1 °F 55.0 °F 83% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 59.0 °F 55.0 °F 87% 30.15 in 10.0 mi SSW 4.6 mph - N/A   Overcast
9:53 AM 61.0 °F 55.0 °F 81% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 62.6 °F 53.6 °F 72% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
11:53 AM 63.0 °F 53.1 °F 70% 30.15 in 10.0 mi Variable 6.9 mph - N/A   Overcast
12:53 PM 64.0 °F 53.1 °F 67% 30.15 in 10.0 mi SSE 3.5 mph - N/A   Overcast
1:11 PM 64.4 °F 53.6 °F 68% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 64.0 °F 53.1 °F 67% 30.15 in 10.0 mi Variable 4.6 mph - N/A   Overcast
2:26 PM 64.4 °F 53.6 °F 68% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
2:53 PM 64.9 °F 52.0 °F 63% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
3:53 PM 64.9 °F 52.0 °F 63% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
4:53 PM 64.4 °F 53.6 °F 68% 30.12 in 10.0 mi NNE 3.5 mph - N/A   Overcast
5:24 PM 64.4 °F 53.6 °F 68% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Overcast
5:50 PM 64.4 °F 53.6 °F 68% 30.11 in 10.0 mi Variable 5.8 mph - N/A   Overcast
5:53 PM 64.4 °F 53.6 °F 68% 30.11 in 10.0 mi NW 5.8 mph - N/A   Overcast
6:53 PM 64.0 °F 53.1 °F 67% 30.10 in 10.0 mi Variable 3.5 mph - N/A   Overcast
7:53 PM 63.0 °F 52.0 °F 67% 30.09 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:53 PM 62.6 °F 51.8 °F 68% 30.10 in 10.0 mi West 5.8 mph - N/A   Overcast
9:03 PM 62.6 °F 51.8 °F 68% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:15 PM 62.6 °F 51.8 °F 68% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 63.0 °F 53.1 °F 70% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 63.0 °F 53.1 °F 70% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 62.1 °F 54.0 °F 75% 30.09 in 10.0 mi NW 5.8 mph - N/A   Overcast