Seattle, WA

11:01 AM PDT on August 28, 2016 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - September, 2014

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Wednesday, September 17, 2014

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 73 °F 68 °F 85 °F (1991)
Min Temperature 63 °F 51 °F 42 °F (1965)
Cooling Degree Days 2    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 67    
Maximum Humidity 75    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 9 mph    
Max Gust Speed 16 mph    
Visibility 10 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. 17, 2014 Rise Set
Actual Time 6:49 AM PDT 7:16 PM PDT
Civil Twilight 6:18 AM PDT 7:47 PM PDT
Nautical Twilight 5:41 AM PDT 8:24 PM PDT
Astronomical Twilight 5:03 AM PDT 9:02 PM PDT
Moon 12:36 AM PDT (9/17) 3:47 PM PDT (9/17)
Length of Visible Light 13h 29m
Length of Day
12h 27m
Waning Crescent, 34% of the Moon is Illuminated
Sep 17
Waning Crescent
Sep 23
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
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 66.0 °F 55.0 °F 68% 29.86 in 10.0 mi SE 3.5 mph - N/A   Clear
1:53 AM 64.9 °F 55.0 °F 70% 29.85 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 AM 64.9 °F 55.0 °F 70% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 64.0 °F 54.0 °F 70% 29.81 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
4:53 AM 64.0 °F 55.0 °F 73% 29.80 in 10.0 mi Variable 4.6 mph - 0.00 in   Partly Cloudy
5:53 AM 63.0 °F 55.0 °F 75% 29.79 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 63.0 °F 54.0 °F 72% 29.79 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 63.0 °F 54.0 °F 72% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 64.0 °F 55.0 °F 73% 29.77 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 66.0 °F 55.9 °F 70% 29.79 in 10.0 mi WSW 3.5 mph - N/A   Overcast
10:53 AM 66.2 °F 55.4 °F 68% 29.77 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 69.1 °F 59.0 °F 70% 29.77 in 10.0 mi Calm Calm - 0.00 in   Overcast
12:53 PM 70.0 °F 57.9 °F 65% 29.75 in 10.0 mi Variable 3.5 mph - N/A   Overcast
1:53 PM 71.1 °F 55.9 °F 59% 29.74 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
2:53 PM 72.0 °F 55.0 °F 55% 29.72 in 10.0 mi NW 6.9 mph - N/A   Clear
3:53 PM 70.0 °F 55.0 °F 59% 29.70 in 10.0 mi NW 9.2 mph 16.1 mph N/A   Mostly Cloudy
4:53 PM 70.0 °F 55.0 °F 59% 29.72 in 10.0 mi West 8.1 mph - N/A   Overcast
5:53 PM 68.0 °F 54.0 °F 61% 29.72 in 10.0 mi NW 4.6 mph - N/A   Overcast
6:53 PM 68.0 °F 54.0 °F 61% 29.72 in 10.0 mi Variable 3.5 mph - N/A   Clear
7:53 PM 66.9 °F 55.0 °F 66% 29.75 in 10.0 mi WSW 3.5 mph - 0.00 in Rain Light Rain
8:53 PM 66.9 °F 54.0 °F 63% 29.75 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
9:53 PM 66.0 °F 55.0 °F 68% 29.76 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 66.9 °F 55.0 °F 66% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 64.9 °F 57.0 °F 75% 29.75 in 10.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain