Seattle, WA

1:13 AM PDT on June 25, 2017 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - July, 2013

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Thursday, July 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F 66 °F  
Max Temperature 79 °F 76 °F 93 °F (1995)
Min Temperature 57 °F 56 °F 47 °F (1952)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 5 36  
Since 1 June heating degree days 54 180  
Since 1 July heating degree days 5 36  
Cooling Degree Days 3 3  
Month to date cooling degree days 67 34  
Year to date cooling degree days 129 61  
Since 1 June cooling degree days 116 55  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 63    
Maximum Humidity 80    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.02 in 0.29 in (2007)
Month to date precipitation T 0.47  
Year to date precipitation 18.05 19.48  
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 18, 2013 Rise Set
Actual Time 5:31 AM PDT 8:59 PM PDT
Civil Twilight 4:53 AM PDT 9:37 PM PDT
Nautical Twilight 4:02 AM PDT 10:27 PM PDT
Astronomical Twilight 2:55 AM PDT 11:33 PM PDT
Moon 5:00 PM PDT (7/18) 1:29 AM PDT (7/18)
Length of Visible Light 16h 44m
Length of Day
15h 28m
Waxing Gibbous, 78% of the Moon is Illuminated
Jul 18
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:37 AM 59.0 °F 53.6 °F 82% 30.21 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
12:53 AM 59.0 °F 53.1 °F 81% 30.23 in 10.0 mi SSW 4.6 mph - N/A   Overcast
1:21 AM 57.2 °F 51.8 °F 82% 30.21 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
1:53 AM 57.9 °F 52.0 °F 81% 30.23 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
2:53 AM 57.9 °F 52.0 °F 81% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 59.0 °F 52.0 °F 78% 30.24 in 10.0 mi SSW 3.5 mph - N/A   Overcast
4:30 AM 59.0 °F 51.8 °F 77% 30.22 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 57.9 °F 52.0 °F 81% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 57.0 °F 52.0 °F 83% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 59.0 °F 52.0 °F 78% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 60.1 °F 53.1 °F 78% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
8:46 AM 60.8 °F 53.6 °F 77% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 61.0 °F 53.1 °F 75% 30.26 in 10.0 mi West 3.5 mph - N/A   Overcast
9:42 AM 62.6 °F 53.6 °F 72% 30.24 in 10.0 mi WSW 3.5 mph - N/A   Overcast
9:53 AM 63.0 °F 54.0 °F 72% 30.26 in 10.0 mi West 4.6 mph - N/A   Overcast
10:53 AM 64.9 °F 54.0 °F 68% 30.26 in 10.0 mi West 5.8 mph - N/A   Overcast
11:53 AM 66.0 °F 54.0 °F 65% 30.25 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
12:53 PM 70.0 °F 54.0 °F 57% 30.24 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
1:49 PM 73.4 °F 53.6 °F 50% 30.21 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:53 PM 72.0 °F 54.0 °F 53% 30.23 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
2:53 PM 75.0 °F 54.0 °F 48% 30.21 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
3:53 PM 77.0 °F 55.0 °F 47% 30.20 in 10.0 mi NW 11.5 mph - N/A   Clear
4:53 PM 77.0 °F 55.0 °F 47% 30.18 in 10.0 mi West 8.1 mph - N/A   Clear
5:53 PM 77.0 °F 55.9 °F 48% 30.17 in 10.0 mi West 6.9 mph - N/A   Clear
6:53 PM 75.0 °F 55.0 °F 50% 30.16 in 10.0 mi WNW 6.9 mph - N/A   Clear
7:53 PM 73.9 °F 55.9 °F 53% 30.16 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:53 PM 70.0 °F 55.0 °F 59% 30.16 in 10.0 mi WNW 5.8 mph - N/A   Clear
9:53 PM 66.0 °F 55.0 °F 68% 30.17 in 10.0 mi NW 3.5 mph - N/A   Clear
10:53 PM 64.9 °F 53.1 °F 65% 30.17 in 10.0 mi North 3.5 mph - N/A   Clear
11:53 PM 63.0 °F 54.0 °F 72% 30.16 in 10.0 mi NNW 6.9 mph - N/A   Clear