Seattle Boeing, WA

10:17 PM PDT on August 17, 2017 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2011

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Monday, September 26, 2011

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 63 °F 67 °F 78 °F (1967)
Min Temperature 53 °F 49 °F 39 °F (1972)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 85    
Maximum Humidity 94    
Minimum Humidity 72    
Precipitation  
Precipitation 0.32 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 9 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

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Date:

Astronomy

Sep. 26, 2011 Rise Set
Actual Time 7:01 AM PDT 6:59 PM PDT
Civil Twilight 6:30 AM PDT 7:29 PM PDT
Nautical Twilight 5:54 AM PDT 8:05 PM PDT
Astronomical Twilight 5:17 AM PDT 8:42 PM PDT
Moon 6:07 AM PDT (9/26) 6:14 PM PDT (9/26)
Length of Visible Light 12h 59m
Length of Day
11h 57m
Waning Crescent, 1% of the Moon is Illuminated
Sep 26
Waning Crescent
Sep 27
New
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter

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 50.0 °F 80% 29.95 in 10.0 mi SE 4.6 mph - N/A   Overcast
1:53 AM 55.9 °F 50.0 °F 80% 29.95 in 10.0 mi SE 6.9 mph - N/A   Overcast
2:53 AM 55.9 °F 51.1 °F 84% 29.94 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
3:53 AM 54.0 °F 50.0 °F 86% 29.92 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
4:53 AM 55.0 °F 50.0 °F 83% 29.91 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
5:53 AM 55.0 °F 48.9 °F 80% 29.91 in 10.0 mi SE 5.8 mph - 0.00 in Rain Light Rain
6:53 AM 54.0 °F 48.9 °F 83% 29.91 in 10.0 mi SE 8.1 mph - 0.02 in Rain Light Rain
7:53 AM 53.6 °F 51.8 °F 94% 29.88 in 10.0 mi SE 8.1 mph - N/A Rain Light Rain
8:53 AM 54.0 °F 52.0 °F 93% 29.86 in 5.0 mi SE 4.6 mph - 0.09 in Rain Light Rain
9:53 AM 53.6 °F 51.8 °F 94% 29.85 in 7.0 mi SE 3.5 mph - N/A Rain Light Rain
10:53 AM 54.0 °F 52.0 °F 93% 29.83 in 5.0 mi ESE 5.8 mph - 0.06 in Rain Light Rain
11:53 AM 55.0 °F 53.1 °F 93% 29.84 in 6.0 mi SE 4.6 mph - 0.06 in Rain Light Rain
12:53 PM 57.0 °F 55.0 °F 93% 29.82 in 4.0 mi ESE 6.9 mph - 0.03 in Rain Light Rain
1:53 PM 59.0 °F 57.2 °F 94% 29.82 in 5.0 mi SSE 6.9 mph - N/A Rain Light Rain
2:53 PM 60.1 °F 57.0 °F 90% 29.82 in 8.0 mi South 6.9 mph - 0.02 in Rain Light Rain
3:53 PM 60.1 °F 55.9 °F 86% 29.83 in 6.0 mi SSE 6.9 mph - 0.03 in Rain Light Rain
4:53 PM 61.0 °F 57.0 °F 87% 29.84 in 10.0 mi SSE 4.6 mph - 0.01 in   Overcast
5:53 PM 62.6 °F 53.6 °F 72% 29.85 in 10.0 mi SSE 10.4 mph 18.4 mph N/A   Overcast
6:53 PM 61.0 °F 54.0 °F 78% 29.86 in 10.0 mi SSE 18.4 mph 21.9 mph N/A   Overcast
7:53 PM 61.0 °F 55.0 °F 81% 29.87 in 10.0 mi South 15.0 mph - N/A   Overcast
8:53 PM 61.0 °F 55.0 °F 81% 29.90 in 10.0 mi South 11.5 mph - N/A   Overcast
9:53 PM 61.0 °F 54.0 °F 78% 29.89 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
10:53 PM 62.1 °F 54.0 °F 75% 29.91 in 10.0 mi South 11.5 mph 20.7 mph N/A   Overcast
11:53 PM 61.0 °F 54.0 °F 78% 29.94 in 10.0 mi South 9.2 mph 18.4 mph 0.00 in   Overcast