Seattle, WA

6:31 AM PDT on July 20, 2019 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - May, 2019

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Saturday, May 11, 2019

  Actual Average Record
Temperature  
Mean Temperature 68 °F 55 °F  
Max Temperature 83 °F 64 °F 87 °F (1971)
Min Temperature 53 °F 46 °F 35 °F (1953)
Degree Days  
Heating Degree Days 0 10  
Month to date heating degree days 52 121  
Since 1 July heating degree days 3912 4389  
Cooling Degree Days 3 0  
Month to date cooling degree days 14 0  
Year to date cooling degree days 20 0  
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 58    
Maximum Humidity 83    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.06 in 0.47 in (1954)
Month to date precipitation 0.00 0.71  
Year to date precipitation 13.35 16.21  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 19 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 11, 2019 Rise Set
Actual Time 5:37 AM PDT 8:34 PM PDT
Civil Twilight 5:01 AM PDT 9:10 PM PDT
Nautical Twilight 4:16 AM PDT 9:56 PM PDT
Astronomical Twilight 3:20 AM PDT 10:52 PM PDT
Moon 11:52 AM PDT (5/11) 2:20 AM PDT (5/11)
Length of Visible Light 16h 08m
Length of Day
14h 56m
Waxing Crescent, 47% of the Moon is Illuminated
May 11
Waxing Crescent
May 11
First Quarter
May 18
Full
May 26
Last Quarter
Jun 3
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.0 °F 44.1 °F 45% 29.88 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 64.9 °F 45.0 °F 48% 29.89 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 64.0 °F 45.0 °F 50% 29.88 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 62.1 °F 46.0 °F 56% 29.89 in 10.0 mi SE 4.6 mph - N/A   Clear
4:53 AM 60.1 °F 46.0 °F 60% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 57.0 °F 46.0 °F 67% 29.89 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
6:53 AM 59.0 °F 46.9 °F 64% 29.89 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
7:53 AM 64.0 °F 48.0 °F 56% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 68.0 °F 48.0 °F 49% 29.91 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
9:53 AM 70.0 °F 48.0 °F 46% 29.91 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
10:53 AM 72.0 °F 46.9 °F 41% 29.92 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
11:53 AM 73.9 °F 48.9 °F 41% 29.91 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
12:53 PM 78.1 °F 51.1 °F 39% 29.91 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
1:53 PM 80.1 °F 50.0 °F 35% 29.89 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
2:53 PM 81.0 °F 50.0 °F 34% 29.89 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
3:53 PM 82.0 °F 50.0 °F 33% 29.88 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
4:53 PM 80.1 °F 51.1 °F 36% 29.87 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
5:53 PM 75.9 °F 48.9 °F 38% 29.87 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
6:53 PM 71.1 °F 50.0 °F 47% 29.87 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
7:53 PM 63.0 °F 50.0 °F 63% 29.89 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
8:53 PM 59.0 °F 48.9 °F 69% 29.91 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
9:53 PM 57.0 °F 46.9 °F 69% 29.92 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
10:53 PM 54.0 °F 48.0 °F 80% 29.93 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
11:53 PM 53.1 °F 48.0 °F 83% 29.94 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds