Weather History for Seattle Boeing, WA

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 46 °F 49 °F 62 °F (1977)
Min Temperature 41 °F 38 °F 20 °F (1990)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 35 °F    
Average Humidity 73    
Maximum Humidity 82    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 8 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

Feb. 18, 2013 Rise Set
Actual Time 7:08 AM PST 5:37 PM PST
Civil Twilight 6:37 AM PST 6:09 PM PST
Nautical Twilight 6:01 AM PST 6:45 PM PST
Astronomical Twilight 5:26 AM PST 7:20 PM PST
Moon 11:15 AM PST (2/18) 2:05 AM PST (2/18)
Length of Visible Light 11h 31m
Length of Day
10h 28m
First Quarter, 59% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

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 43.0 °F 40.3 °F 37.9 °F 82% 30.10 in 10.0 mi East 4.6 mph - N/A   Overcast
1:53 AM 43.0 °F - 37.0 °F 80% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 42.1 °F - 37.0 °F 82% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 42.8 °F - 35.6 °F 76% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:00 AM 42.8 °F - 37.4 °F 81% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 41.0 °F - 36.0 °F 82% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 41.0 °F - 36.0 °F 82% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 41.0 °F 39.0 °F 36.0 °F 82% 30.00 in 10.0 mi ESE 3.5 mph - N/A   Overcast
7:53 AM 41.0 °F 36.4 °F 36.0 °F 82% 30.00 in 10.0 mi SE 6.9 mph - N/A   Overcast
8:53 AM 42.1 °F 37.1 °F 37.0 °F 82% 29.99 in 10.0 mi SE 8.1 mph - N/A   Overcast
9:53 AM 43.0 °F 39.5 °F 37.0 °F 80% 29.98 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
10:53 AM 45.0 °F 42.6 °F 36.0 °F 71% 29.97 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
11:53 AM 45.0 °F 42.6 °F 35.1 °F 68% 29.95 in 10.0 mi Variable 4.6 mph - N/A   Overcast
12:53 PM 46.0 °F 43.9 °F 34.0 °F 63% 29.93 in 10.0 mi South 4.6 mph - N/A   Overcast
1:53 PM 46.9 °F - 34.0 °F 61% 29.91 in 10.0 mi South 6.9 mph - N/A   Overcast
2:53 PM 46.0 °F 41.9 °F 35.1 °F 66% 29.90 in 10.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
3:53 PM 46.0 °F 41.9 °F 36.0 °F 68% 29.88 in 10.0 mi SSE 8.1 mph - 0.00 in   Overcast
4:53 PM 46.9 °F - 33.1 °F 59% 29.85 in 10.0 mi South 8.1 mph - N/A   Overcast
5:53 PM 46.9 °F - 33.1 °F 59% 29.83 in 10.0 mi South 5.8 mph - N/A   Overcast
6:53 PM 46.0 °F 44.8 °F 33.1 °F 61% 29.82 in 10.0 mi South 3.5 mph - 0.00 in   Overcast
7:53 PM 44.1 °F 41.5 °F 34.0 °F 68% 29.81 in 10.0 mi SE 4.6 mph - N/A   Overcast
8:53 PM 45.0 °F 42.6 °F 35.1 °F 68% 29.79 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
9:53 PM 43.0 °F - 33.1 °F 68% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 43.0 °F - 34.0 °F 71% 29.77 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 43.0 °F - 35.1 °F 74% 29.77 in 10.0 mi Calm Calm - N/A   Overcast