Seattle, WA

1:02 AM PDT on October 19, 2017 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - August, 2013

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Wednesday, August 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 65 °F  
Max Temperature 80 °F 75 °F 95 °F (1967)
Min Temperature 60 °F 55 °F 46 °F (1952)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 6 29  
Since 1 June heating degree days 64 222  
Since 1 July heating degree days 15 78  
Cooling Degree Days 5 2  
Month to date cooling degree days 140 70  
Year to date cooling degree days 315 168  
Since 1 June cooling degree days 302 162  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 69    
Maximum Humidity 90    
Minimum Humidity 48    
Precipitation  
Precipitation 0.22 in 0.03 in 0.47 in (1975)
Month to date precipitation 0.59 0.76  
Year to date precipitation 18.64 20.47  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed 14 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Aug. 28, 2013 Rise Set
Actual Time 6:23 AM PDT 7:56 PM PDT
Civil Twilight 5:50 AM PDT 8:28 PM PDT
Nautical Twilight 5:11 AM PDT 9:07 PM PDT
Astronomical Twilight 4:29 AM PDT 9:49 PM PDT
Moon No Moon Rise 2:51 PM PDT (8/28)
Length of Visible Light 14h 37m
Length of Day
13h 33m
Last Quarter, 46% of the Moon is Illuminated
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last 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 64.9 °F 57.0 °F 75% 29.87 in 10.0 mi NNE 3.5 mph - 0.00 in Rain Light Rain
1:53 AM 62.1 °F 57.0 °F 84% 29.87 in 10.0 mi West 3.5 mph - 0.00 in   Overcast
2:53 AM 61.0 °F 55.9 °F 83% 29.86 in 10.0 mi WNW 3.5 mph - 0.01 in Rain Light Rain
3:53 AM 60.1 °F 57.0 °F 90% 29.88 in 5.0 mi Calm Calm - 0.02 in Rain Rain
4:53 AM 62.1 °F 57.9 °F 86% 29.88 in 5.0 mi ESE 9.2 mph - 0.12 in Rain Rain
5:47 AM 62.6 °F 59.0 °F 88% 29.86 in 10.0 mi ESE 6.9 mph - 0.06 in   Overcast
5:53 AM 62.1 °F 59.0 °F 90% 29.88 in 9.0 mi SE 5.8 mph - 0.06 in   Mostly Cloudy
6:53 AM 62.1 °F 59.0 °F 90% 29.89 in 10.0 mi WNW 3.5 mph - 0.00 in   Overcast
7:53 AM 64.0 °F 59.0 °F 84% 29.90 in 10.0 mi East 3.5 mph - 0.00 in   Mostly Cloudy
8:53 AM 64.9 °F 61.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 69.1 °F 62.1 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 72.0 °F 61.0 °F 68% 29.92 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
11:53 AM 75.0 °F 61.0 °F 62% 29.92 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:53 PM 73.9 °F 60.1 °F 62% 29.93 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:53 PM 75.0 °F 59.0 °F 57% 29.93 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 PM 75.9 °F 57.9 °F 54% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 PM 78.1 °F 59.0 °F 52% 29.91 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
4:53 PM 78.1 °F 57.9 °F 50% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 PM 77.0 °F 59.0 °F 54% 29.90 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
6:53 PM 77.0 °F 57.9 °F 52% 29.90 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
7:53 PM 75.0 °F 59.0 °F 57% 29.90 in 10.0 mi Calm Calm - 0.00 in   Overcast
8:53 PM 75.0 °F 59.0 °F 57% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 72.0 °F 60.1 °F 66% 29.92 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
10:53 PM 71.1 °F 60.1 °F 68% 29.92 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 68.0 °F 62.1 °F 81% 29.93 in 10.0 mi South 4.6 mph - 0.00 in Rain Light Rain