Seattle, WA

3:41 PM PDT on August 31, 2016 (GMT -0700)
Boeing Field-King County International

Weather History for KBFI - December, 2013

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Wednesday, December 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 46 °F 44 °F 57 °F (2003)
Min Temperature 39 °F 34 °F 18 °F (1964)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 36 °F    
Average Humidity 74    
Maximum Humidity 87    
Minimum Humidity 53    
Precipitation  
Precipitation 0.04 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
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

Dec. 18, 2013 Rise Set
Actual Time 7:52 AM PST 4:19 PM PST
Civil Twilight 7:16 AM PST 4:55 PM PST
Nautical Twilight 6:37 AM PST 5:34 PM PST
Astronomical Twilight 5:59 AM PST 6:12 PM PST
Moon 6:02 PM PST (12/18) 8:30 AM PST (12/18)
Length of Visible Light 9h 38m
Length of Day
8h 26m
Full, 98% of the Moon is Illuminated
Dec 18
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
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 46.0 °F 43.1 °F 41.0 °F 83% 30.12 in 10.0 mi SW 5.8 mph - N/A   Overcast
1:53 AM 45.0 °F 43.5 °F 41.0 °F 86% 30.14 in 6.0 mi West 3.5 mph - N/A   Overcast
2:49 AM 44.6 °F - 39.2 °F 81% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 46.0 °F - 39.9 °F 79% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 45.0 °F 42.6 °F 41.0 °F 86% 30.13 in 10.0 mi SE 4.6 mph - N/A   Overcast
4:53 AM 45.0 °F 41.2 °F 41.0 °F 86% 30.12 in 10.0 mi SSE 6.9 mph - N/A   Overcast
5:00 AM 44.6 °F 39.7 °F 41.0 °F 87% 30.12 in 10.0 mi SSE 9.2 mph - N/A   Overcast
5:46 AM 44.6 °F 42.2 °F 41.0 °F 87% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Overcast
5:53 AM 45.0 °F 41.8 °F 39.9 °F 82% 30.11 in 10.0 mi SSE 5.8 mph - N/A   Overcast
6:53 AM 44.1 °F 40.8 °F 39.9 °F 85% 30.10 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:53 AM 45.0 °F 41.8 °F 41.0 °F 86% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Overcast
8:30 AM 44.6 °F - 39.2 °F 81% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 45.0 °F 43.5 °F 39.9 °F 82% 30.09 in 10.0 mi South 3.5 mph - N/A   Overcast
9:53 AM 45.0 °F - 39.9 °F 82% 30.09 in 10.0 mi Calm Calm - 0.00 in   Overcast
10:00 AM 44.6 °F 43.1 °F 39.2 °F 81% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:30 AM 44.6 °F - 39.2 °F 81% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 45.0 °F 42.6 °F 37.0 °F 74% 30.08 in 8.0 mi NNE 4.6 mph - 0.01 in Rain Light Rain
11:00 AM 44.6 °F 42.2 °F 37.4 °F 76% 30.08 in 6.0 mi NNE 4.6 mph - 0.00 in Rain Light Rain
11:53 AM 45.0 °F - 35.1 °F 68% 30.07 in 10.0 mi Calm Calm - 0.03 in   Overcast
12:53 PM 46.0 °F - 33.1 °F 61% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 45.0 °F 41.8 °F 36.0 °F 71% 30.04 in 10.0 mi East 5.8 mph - 0.00 in   Overcast
2:53 PM 45.0 °F 42.6 °F 30.0 °F 56% 30.05 in 10.0 mi North 4.6 mph - N/A   Overcast
3:53 PM 45.0 °F 41.8 °F 28.9 °F 53% 30.05 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
4:53 PM 45.0 °F 43.5 °F 30.0 °F 56% 30.06 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
5:53 PM 44.1 °F 41.5 °F 30.9 °F 60% 30.07 in 10.0 mi North 4.6 mph - N/A   Overcast
6:53 PM 43.0 °F 40.3 °F 30.0 °F 60% 30.09 in 10.0 mi North 4.6 mph - N/A   Overcast
7:53 PM 42.1 °F 38.4 °F 28.9 °F 60% 30.10 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
8:53 PM 42.1 °F - 30.9 °F 65% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 PM 41.0 °F 37.1 °F 30.9 °F 67% 30.15 in 10.0 mi NNW 5.8 mph - N/A   Clear
10:53 PM 41.0 °F - 32.0 °F 70% 30.17 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:33 PM 39.2 °F - 32.0 °F 75% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 39.9 °F - 33.1 °F 77% 30.16 in 10.0 mi Calm Calm - N/A   Overcast