Seattle, WA

1:12 AM PDT on October 17, 2019 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - May, 2019

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Saturday, May 4, 2019

  Actual Average Record
Temperature  
Mean Temperature 57 °F 54 °F  
Max Temperature 69 °F 62 °F 85 °F (1992)
Min Temperature 45 °F 45 °F 33 °F (1962)
Degree Days  
Heating Degree Days 8 11  
Month to date heating degree days 41 47  
Since 1 July heating degree days 3901 4315  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 6 0  
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 63    
Maximum Humidity 86    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.06 in 0.66 in (1965)
Month to date precipitation 0.00 0.26  
Year to date precipitation 13.35 15.76  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 7 mph (North)    
Max Wind Speed 18 mph    
Max Gust Speed 22 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. 04, 2019 Rise Set
Actual Time 5:47 AM PDT 8:24 PM PDT
Civil Twilight 5:13 AM PDT 8:59 PM PDT
Nautical Twilight 4:29 AM PDT 9:43 PM PDT
Astronomical Twilight 3:38 AM PDT 10:35 PM PDT
Moon 6:09 AM PDT (5/4) 8:15 PM PDT (5/4)
Length of Visible Light 15h 46m
Length of Day
14h 37m
Waning Crescent, 0% of the Moon is Illuminated
May 4
Waning Crescent
May 4
New
May 11
First Quarter
May 18
Full
May 26
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 50.0 °F - 42.1 °F 74% 30.07 in 10.0 mi North 5.8 mph - N/A   Clear
1:53 AM 48.0 °F - 41.0 °F 77% 30.06 in 10.0 mi North 5.8 mph - N/A   Clear
2:53 AM 48.9 °F - 42.1 °F 77% 30.06 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:53 AM 46.9 °F - 42.1 °F 83% 30.05 in 10.0 mi North 3.5 mph - N/A   Clear
4:53 AM 48.0 °F - 42.1 °F 80% 30.04 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:53 AM 46.0 °F 43.9 °F 42.1 °F 86% 30.04 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
6:53 AM 48.9 °F - 44.1 °F 83% 30.05 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy
7:53 AM 51.1 °F - 45.0 °F 80% 30.05 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
8:53 AM 53.1 °F - 45.0 °F 74% 30.05 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
9:00 AM 54.0 °F - 45.0 °F 72% 30.03 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
9:28 AM 55.9 °F - 45.0 °F 67% 30.03 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
9:53 AM 57.0 °F - 46.0 °F 67% 30.05 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
10:53 AM 59.0 °F - 46.0 °F 62% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
11:53 AM 61.0 °F - 46.0 °F 58% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
12:53 PM 64.0 °F - 43.0 °F 46% 30.03 in 10.0 mi North 13.8 mph 17.3 mph N/A   Scattered Clouds
1:53 PM 64.9 °F - 44.1 °F 47% 30.02 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds
2:53 PM 66.0 °F - 44.1 °F 45% 30.00 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
3:53 PM 66.0 °F - 43.0 °F 43% 29.98 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
4:53 PM 69.1 °F - 44.1 °F 40% 29.96 in 10.0 mi North 12.7 mph - N/A   Mostly Cloudy
5:53 PM 66.0 °F - 41.0 °F 40% 29.96 in 10.0 mi North 13.8 mph 20.7 mph N/A   Mostly Cloudy
6:53 PM 64.9 °F - 42.1 °F 43% 29.94 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
7:53 PM 63.0 °F - 42.1 °F 46% 29.94 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
8:53 PM 61.0 °F - 42.1 °F 50% 29.94 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
9:53 PM 57.0 °F - 43.0 °F 59% 29.94 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
10:53 PM 57.0 °F - 42.1 °F 57% 29.94 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
11:53 PM 55.9 °F - 43.0 °F 62% 29.94 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds