Seattle Boeing, WA

2:56 PM PDT on July 20, 2018 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - April, 2018

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Monday, April 16, 2018

  Actual Average Record
Temperature  
Mean Temperature 45 °F -  
Max Temperature 48 °F 56 °F 82 °F (1999)
Min Temperature 42 °F 41 °F 32 °F (1998)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 41 °F    
Average Humidity 84    
Maximum Humidity 93    
Minimum Humidity 74    
Precipitation  
Precipitation 0.28 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.70 in    
Wind  
Wind Speed 9 mph (South)    
Max Wind Speed 18 mph    
Max Gust Speed 30 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

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Apr. 16, 2018 Rise Set
Actual Time 6:18 AM PDT 8:00 PM PDT
Civil Twilight 5:46 AM PDT 8:32 PM PDT
Nautical Twilight 5:06 AM PDT 9:12 PM PDT
Astronomical Twilight 4:23 AM PDT 9:56 PM PDT
Moon 7:06 AM PDT (4/16) 8:55 PM PDT (4/16)
Length of Visible Light 14h 46m
Length of Day
13h 41m
New Moon, 1% of the Moon is Illuminated
Apr 16
New Moon
Apr 22
First Quarter
Apr 29
Full
May 7
Last Quarter
May 15
New

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 45.0 °F 43.5 °F 43.0 °F 93% 29.57 in 7.0 mi SW 3.5 mph - 0.03 in Rain Light Rain
1:53 AM 45.0 °F 43.5 °F 42.1 °F 90% 29.55 in 7.0 mi North 3.5 mph - 0.04 in Rain Light Rain
2:53 AM 45.0 °F - 43.0 °F 93% 29.55 in 10.0 mi Calm Calm - 0.00 in   Overcast
3:53 AM 45.0 °F - 43.0 °F 93% 29.56 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 44.1 °F 38.1 °F 37.9 °F 79% 29.59 in 10.0 mi South 11.5 mph 18.4 mph N/A   Overcast
5:53 AM 42.1 °F 34.9 °F 37.9 °F 85% 29.60 in 10.0 mi South 13.8 mph 23.0 mph N/A   Overcast
6:53 AM 42.1 °F 36.6 °F 37.9 °F 85% 29.61 in 10.0 mi South 9.2 mph - N/A   Overcast
7:53 AM 43.0 °F 37.2 °F 39.0 °F 86% 29.61 in 10.0 mi South 10.4 mph - 0.01 in Rain Light Rain
8:53 AM 44.1 °F 38.6 °F 39.9 °F 85% 29.63 in 8.0 mi SSW 10.4 mph 17.3 mph 0.06 in Rain Light Rain
9:53 AM 45.0 °F 38.5 °F 39.9 °F 82% 29.65 in 10.0 mi SSW 13.8 mph 23.0 mph 0.01 in Rain Light Rain
10:53 AM 45.0 °F 38.2 °F 41.0 °F 86% 29.68 in 10.0 mi South 15.0 mph 25.3 mph 0.00 in   Overcast
11:53 AM 46.9 °F - 39.9 °F 77% 29.70 in 10.0 mi South 18.4 mph 28.8 mph N/A   Overcast
12:53 PM 48.0 °F - 39.9 °F 74% 29.71 in 10.0 mi South 16.1 mph 29.9 mph N/A   Overcast
1:53 PM 46.9 °F - 42.1 °F 83% 29.73 in 8.0 mi South 17.3 mph 25.3 mph 0.02 in Rain Light Rain
2:53 PM 46.9 °F - 39.9 °F 77% 29.75 in 10.0 mi SSW 15.0 mph 23.0 mph 0.01 in Rain Light Rain
3:53 PM 46.0 °F 39.6 °F 42.1 °F 86% 29.76 in 8.0 mi South 15.0 mph - 0.02 in Rain Light Rain
4:53 PM 46.9 °F - 42.1 °F 83% 29.77 in 10.0 mi South 15.0 mph 21.9 mph 0.05 in Rain Light Rain
5:53 PM 46.9 °F - 42.1 °F 83% 29.78 in 10.0 mi South 18.4 mph 21.9 mph 0.00 in Rain Light Rain
6:53 PM 46.0 °F 39.3 °F 42.1 °F 86% 29.79 in 10.0 mi South 16.1 mph 24.2 mph 0.01 in Rain Light Rain
7:53 PM 46.0 °F 39.9 °F 42.1 °F 86% 29.80 in 10.0 mi South 13.8 mph 26.5 mph 0.01 in Rain Light Rain
8:53 PM 46.0 °F 39.6 °F 42.1 °F 86% 29.82 in 10.0 mi South 15.0 mph 25.3 mph 0.01 in   Overcast
9:53 PM 46.9 °F - 42.1 °F 83% 29.84 in 10.0 mi South 6.9 mph - N/A   Overcast
10:53 PM 46.9 °F - 42.1 °F 83% 29.86 in 10.0 mi SSW 15.0 mph 24.2 mph 0.00 in   Overcast
11:53 PM 46.9 °F - 41.0 °F 80% 29.88 in 10.0 mi Variable 6.9 mph 17.3 mph 0.00 in   Overcast