Weather History for Seattle Boeing, WA

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 61 °F 66 °F 93 °F (1963)
Min Temperature 48 °F 47 °F 39 °F (1960)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 74    
Maximum Humidity 87    
Minimum Humidity 52    
Precipitation  
Precipitation 0.39 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 10 mph    
Max Gust Speed 18 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

May. 21, 2013 Rise Set
Actual Time 5:24 AM PDT 8:47 PM PDT
Civil Twilight 4:47 AM PDT 9:25 PM PDT
Nautical Twilight 3:57 AM PDT 10:15 PM PDT
Astronomical Twilight 2:53 AM PDT 11:20 PM PDT
Moon 4:53 PM PDT (5/21) 3:12 AM PDT (5/21)
Length of Visible Light 16h 38m
Length of Day
15h 22m
Waxing Gibbous, 85% of the Moon is Illuminated
May 21
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 54.0 °F 46.0 °F 75% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Overcast
1:53 AM 53.1 °F 46.0 °F 77% 29.90 in 9.0 mi NW 5.8 mph - 0.00 in Rain Light Rain
2:53 AM 51.1 °F 46.0 °F 83% 29.89 in 5.0 mi WSW 3.5 mph - N/A Rain Light Rain
3:00 AM 51.8 °F 46.4 °F 82% 29.89 in 4.0 mi Calm Calm - 0.02 in Rain Rain
3:18 AM 51.8 °F 46.4 °F 82% 29.88 in 5.0 mi WSW 3.5 mph - 0.05 in Rain Rain
3:28 AM 51.8 °F 46.4 °F 82% 29.89 in 5.0 mi SW 5.8 mph - 0.08 in Rain Rain
3:53 AM 50.0 °F 44.1 °F 80% 29.88 in 5.0 mi Calm Calm - 0.13 in Rain Rain
4:25 AM 48.2 °F 42.8 °F 82% 29.88 in 7.0 mi SSE 4.6 mph - 0.04 in Rain Light Rain
4:53 AM 48.9 °F 43.0 °F 80% 29.88 in 8.0 mi Variable 6.9 mph - 0.09 in Rain Light Rain
5:53 AM 48.0 °F 43.0 °F 83% 29.87 in 10.0 mi SE 6.9 mph - 0.09 in Rain Light Rain
6:30 AM 48.2 °F 44.6 °F 87% 29.86 in 6.0 mi Variable 4.6 mph - 0.02 in Rain Light Rain
6:53 AM 48.9 °F 44.1 °F 83% 29.86 in 10.0 mi SSE 9.2 mph - 0.02 in Rain Light Rain
7:53 AM 48.9 °F 44.1 °F 83% 29.84 in 10.0 mi South 8.1 mph - 0.01 in Rain Light Rain
8:53 AM 50.0 °F 44.1 °F 80% 29.83 in 10.0 mi SE 6.9 mph - 0.00 in   Overcast
9:53 AM 51.1 °F 44.1 °F 77% 29.82 in 10.0 mi SE 9.2 mph - N/A   Overcast
10:53 AM 53.1 °F 44.1 °F 71% 29.81 in 10.0 mi SSE 8.1 mph - N/A   Overcast
11:53 AM 55.0 °F 44.1 °F 67% 29.81 in 10.0 mi SSW 9.2 mph - N/A   Overcast
12:53 PM 55.0 °F 42.1 °F 62% 29.80 in 10.0 mi SSE 9.2 mph - N/A   Overcast
1:53 PM 60.1 °F 43.0 °F 53% 29.79 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
2:53 PM 61.0 °F 43.0 °F 52% 29.79 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
3:53 PM 57.9 °F 43.0 °F 58% 29.79 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 PM 54.0 °F 46.9 °F 77% 29.79 in 10.0 mi NNW 4.6 mph - 0.02 in Rain Light Rain
5:53 PM 55.0 °F 48.9 °F 80% 29.79 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain
6:53 PM 57.0 °F 45.0 °F 64% 29.81 in 10.0 mi SW 5.8 mph - 0.00 in   Mostly Cloudy
7:53 PM 53.1 °F 41.0 °F 64% 29.84 in 10.0 mi South 10.4 mph 18.4 mph N/A   Mostly Cloudy
8:53 PM 52.0 °F 41.0 °F 66% 29.86 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
9:53 PM 51.1 °F 41.0 °F 68% 29.87 in 10.0 mi Variable 5.8 mph 18.4 mph N/A   Overcast
10:53 PM 50.0 °F 42.1 °F 74% 29.87 in 10.0 mi South 10.4 mph 17.3 mph 0.00 in Rain Light Rain
11:53 PM 50.0 °F 43.0 °F 77% 29.87 in 10.0 mi South 9.2 mph 17.3 mph 0.02 in   Overcast