Seattle Boeing, WA

10:06 AM PDT on April 27, 2017 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - December, 2012

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 53 °F 47 °F 57 °F (1989)
Min Temperature 46 °F 37 °F 24 °F (1972)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 44 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 66    
Precipitation  
Precipitation 0.46 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.71 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 25 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

Dec. 04, 2012 Rise Set
Actual Time 7:40 AM PST 4:18 PM PST
Civil Twilight 7:05 AM PST 4:54 PM PST
Nautical Twilight 6:26 AM PST 5:32 PM PST
Astronomical Twilight 5:49 AM PST 6:10 PM PST
Moon 10:28 PM PST (12/4) 11:22 AM PST (12/4)
Length of Visible Light 9h 49m
Length of Day
8h 38m
Waning Gibbous, 68% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 46.9 °F - 44.1 °F 90% 29.61 in 5.0 mi Calm Calm - 0.10 in Rain Rain
1:53 AM 46.9 °F - 45.0 °F 93% 29.56 in 4.0 mi Calm Calm - 0.17 in Rain Light Rain
2:53 AM 46.9 °F - 44.1 °F 90% 29.54 in 4.0 mi SE 10.4 mph - 0.08 in Rain Light Rain
3:53 AM 46.9 °F - 45.0 °F 93% 29.54 in 3.0 mi SE 6.9 mph - 0.03 in Rain Light Rain
4:53 AM 48.0 °F - 45.0 °F 89% 29.55 in 6.0 mi SSE 5.8 mph - 0.01 in Rain Light Rain
5:53 AM 50.0 °F - 46.9 °F 89% 29.59 in 10.0 mi SSE 12.7 mph - 0.00 in   Overcast
6:53 AM 53.1 °F - 50.0 °F 89% 29.63 in 4.0 mi South 16.1 mph 25.3 mph 0.01 in Rain Light Rain
7:53 AM 53.1 °F - 48.9 °F 86% 29.65 in 10.0 mi SSE 17.3 mph 24.2 mph 0.01 in   Scattered Clouds
8:14 AM 53.6 °F - 48.2 °F 82% 29.67 in 10.0 mi South 15.0 mph 25.3 mph 0.00 in   Mostly Cloudy
8:53 AM 53.1 °F - 48.9 °F 86% 29.71 in 10.0 mi South 8.1 mph 17.3 mph 0.00 in   Mostly Cloudy
9:53 AM 53.1 °F - 45.0 °F 74% 29.75 in 10.0 mi South 10.4 mph 19.6 mph N/A   Mostly Cloudy
9:56 AM 53.6 °F - 44.6 °F 72% 29.74 in 10.0 mi South 9.2 mph 18.4 mph N/A   Mostly Cloudy
10:53 AM 53.1 °F - 44.1 °F 71% 29.76 in 10.0 mi South 9.2 mph 17.3 mph N/A   Mostly Cloudy
11:53 AM 53.1 °F - 45.0 °F 74% 29.76 in 10.0 mi SW 9.2 mph - 0.00 in   Overcast
12:53 PM 53.1 °F - 43.0 °F 69% 29.75 in 10.0 mi South 12.7 mph 19.6 mph N/A   Overcast
1:53 PM 52.0 °F - 42.1 °F 69% 29.74 in 10.0 mi SSE 12.7 mph 19.6 mph 0.00 in Rain Light Rain
2:53 PM 53.1 °F - 42.1 °F 66% 29.73 in 10.0 mi South 12.7 mph 20.7 mph 0.00 in   Mostly Cloudy
3:23 PM 51.8 °F - 42.8 °F 71% 29.75 in 10.0 mi SSW 9.2 mph 23.0 mph 0.00 in   Mostly Cloudy
3:53 PM 50.0 °F - 41.0 °F 71% 29.76 in 10.0 mi South 11.5 mph 16.1 mph 0.00 in   Mostly Cloudy
4:53 PM 48.0 °F - 43.0 °F 83% 29.74 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
5:53 PM 50.0 °F - 41.0 °F 71% 29.71 in 10.0 mi South 9.2 mph 16.1 mph 0.00 in   Mostly Cloudy
6:53 PM 48.9 °F - 43.0 °F 80% 29.75 in 4.0 mi SW 11.5 mph 25.3 mph 0.03 in Rain Light Rain
7:53 PM 46.9 °F - 42.1 °F 83% 29.75 in 10.0 mi SSE 12.7 mph 21.9 mph 0.02 in Rain Light Rain
7:59 PM 46.4 °F 40.7 °F 42.8 °F 87% 29.74 in 10.0 mi SSE 12.7 mph - 0.00 in Rain Light Rain
8:53 PM 48.0 °F - 42.1 °F 80% 29.76 in 10.0 mi SSE 13.8 mph - 0.00 in Rain Light Rain
9:53 PM 48.0 °F - 42.1 °F 80% 29.80 in 10.0 mi South 8.1 mph 24.2 mph 0.00 in Rain Light Rain
10:12 PM 48.2 °F - 42.8 °F 82% 29.81 in 10.0 mi South 8.1 mph - 0.00 in Rain Light Rain
10:53 PM 48.0 °F - 41.0 °F 77% 29.82 in 10.0 mi SSE 11.5 mph - 0.00 in   Overcast
11:53 PM 48.0 °F - 39.9 °F 74% 29.85 in 10.0 mi SSW 11.5 mph 21.9 mph N/A   Mostly Cloudy