Weather History for Seattle Boeing, WA

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Saturday, December 17, 2011

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 51 °F 45 °F 56 °F (1979)
Min Temperature 30 °F 36 °F 11 °F (1964)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 35 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 10 mph    
Max Gust Speed 20 mph    
Visibility 6 miles    
Events Fog    
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. 17, 2011 Rise Set
Actual Time 7:51 AM PST 4:18 PM PST
Civil Twilight 7:15 AM PST 4:54 PM PST
Nautical Twilight 6:36 AM PST 5:34 PM PST
Astronomical Twilight 5:59 AM PST 6:11 PM PST
Moon No Moon Rise 11:41 AM PST
Length of Visible Light 9h 38m
Length of Day
8h 27m
Waning Gibbous, 52% of the Moon is Illuminated
Dec 17
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
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 36.0 °F - 35.1 °F 97% 30.39 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 34.0 °F 31.0 °F 34.0 °F 100% 30.38 in 7.0 mi SE 3.5 mph - N/A   Partly Cloudy
2:53 AM 33.1 °F - 33.1 °F 100% 30.37 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
3:00 AM 33.8 °F - 32.0 °F 93% 30.37 in 2.0 mi Calm Calm - N/A   Overcast
3:10 AM 33.8 °F - 33.8 °F 100% 30.36 in 0.2 mi Calm Calm - N/A Fog Fog
3:35 AM 30.2 °F 26.7 °F 30.2 °F 100% 30.35 in 3.0 mi South 3.5 mph - N/A   Scattered Clouds
3:53 AM 32.0 °F - 32.0 °F 100% 30.35 in 1.5 mi Calm Calm - N/A   Scattered Clouds
4:00 AM 32.0 °F - 32.0 °F 100% 30.34 in 0.2 mi Calm Calm - N/A Fog Fog
4:32 AM 30.2 °F 24.3 °F 30.2 °F 100% 30.33 in 0.2 mi SE 5.8 mph - N/A Fog Light Freezing Fog
4:53 AM 32.0 °F 27.5 °F 32.0 °F 100% 30.32 in 0.2 mi SE 4.6 mph - N/A Fog Fog
5:00 AM 32.0 °F 28.7 °F 32.0 °F 100% 30.32 in 1.2 mi ESE 3.5 mph - N/A   Mostly Cloudy
5:42 AM 30.2 °F 25.4 °F 30.2 °F 100% 30.30 in 1.0 mi SE 4.6 mph - N/A   Mist
5:53 AM 30.9 °F 26.2 °F 30.9 °F 100% 30.30 in 1.0 mi SSE 4.6 mph - N/A   Mist
6:53 AM 32.0 °F 28.7 °F 30.9 °F 96% 30.29 in 1.0 mi SE 3.5 mph - N/A   Mist
7:45 AM 32.0 °F 26.4 °F 30.2 °F 93% 30.28 in 8.0 mi SSE 5.8 mph - N/A   Overcast
7:53 AM 30.9 °F 25.2 °F 30.9 °F 100% 30.27 in 7.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
8:53 AM 32.0 °F 28.7 °F 32.0 °F 100% 30.27 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
9:53 AM 35.1 °F 30.1 °F 35.1 °F 100% 30.25 in 10.0 mi SSE 5.8 mph - N/A   Overcast
10:53 AM 39.0 °F 36.8 °F 36.0 °F 89% 30.23 in 10.0 mi South 3.5 mph - N/A   Overcast
11:53 AM 41.0 °F - 37.0 °F 86% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 46.9 °F - 39.9 °F 77% 30.14 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
1:53 PM 50.0 °F - 39.0 °F 66% 30.12 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
2:53 PM 51.1 °F - 37.9 °F 61% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:53 PM 48.0 °F - 37.0 °F 66% 30.06 in 10.0 mi South 5.8 mph - N/A   Clear
4:53 PM 46.0 °F 43.1 °F 39.0 °F 76% 30.06 in 10.0 mi ESE 5.8 mph - N/A   Clear
5:53 PM 46.9 °F - 37.9 °F 71% 30.05 in 10.0 mi SSE 9.2 mph 18.4 mph N/A   Clear
6:53 PM 46.0 °F 41.0 °F 37.9 °F 73% 30.04 in 10.0 mi SE 10.4 mph - N/A   Clear
7:53 PM 46.0 °F 41.4 °F 39.0 °F 76% 30.04 in 10.0 mi SE 9.2 mph - N/A   Clear
8:53 PM 46.9 °F - 39.0 °F 74% 30.03 in 10.0 mi ESE 10.4 mph - N/A   Clear
9:53 PM 46.0 °F 41.4 °F 39.0 °F 76% 30.04 in 10.0 mi SE 9.2 mph - N/A   Clear
10:53 PM 48.0 °F - 39.0 °F 71% 30.03 in 10.0 mi South 9.2 mph 19.6 mph N/A   Clear
11:53 PM 46.9 °F - 39.0 °F 74% 30.08 in 10.0 mi Calm Calm - N/A   Overcast