Seattle, WA

8:39 AM PST on December 08, 2016 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - July, 2013

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Wednesday, July 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 66 °F  
Max Temperature 72 °F 76 °F 96 °F (1979)
Min Temperature 59 °F 56 °F 48 °F (1950)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 5 35  
Since 1 June heating degree days 54 179  
Since 1 July heating degree days 5 35  
Cooling Degree Days 1 3  
Month to date cooling degree days 64 31  
Year to date cooling degree days 126 58  
Since 1 June cooling degree days 113 52  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 66    
Maximum Humidity 78    
Minimum Humidity 53    
Precipitation  
Precipitation T in 0.02 in 0.35 in (1974)
Month to date precipitation T 0.45  
Year to date precipitation 18.05 19.46  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jul. 17, 2013 Rise Set
Actual Time 5:30 AM PDT 9:00 PM PDT
Civil Twilight 4:51 AM PDT 9:38 PM PDT
Nautical Twilight 4:00 AM PDT 10:28 PM PDT
Astronomical Twilight 2:52 AM PDT 11:35 PM PDT
Moon 3:50 PM PDT (7/17) 12:48 AM PDT (7/17)
Length of Visible Light 16h 46m
Length of Day
15h 30m
Waxing Gibbous, 68% of the Moon is Illuminated
Jul 17
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
12:53 AM 72.0 °F 54.0 °F 53% 29.92 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
1:53 AM 66.9 °F 53.1 °F 61% 29.97 in 10.0 mi SSW 9.2 mph - N/A Thunderstorm Thunderstorm
2:42 AM 66.2 °F 53.6 °F 64% 29.98 in 10.0 mi SW 8.1 mph - 0.00 in Rain Light Rain
2:53 AM 64.9 °F 54.0 °F 68% 30.00 in 10.0 mi SW 9.2 mph - 0.00 in Rain Light Rain
3:53 AM 62.1 °F 54.0 °F 75% 30.03 in 10.0 mi SW 9.2 mph - 0.00 in   Mostly Cloudy
4:53 AM 61.0 °F 54.0 °F 78% 30.06 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
5:53 AM 61.0 °F 55.0 °F 81% 30.08 in 10.0 mi South 11.5 mph - 0.00 in Rain Light Rain
6:14 AM 60.8 °F 53.6 °F 77% 30.07 in 10.0 mi South 9.2 mph - 0.00 in   Mostly Cloudy
6:53 AM 61.0 °F 54.0 °F 78% 30.08 in 10.0 mi SSW 11.5 mph - 0.00 in   Overcast
7:30 AM 60.8 °F 53.6 °F 77% 30.10 in 10.0 mi South 10.4 mph - N/A   Overcast
7:53 AM 62.1 °F 54.0 °F 75% 30.12 in 10.0 mi SSW 8.1 mph - N/A   Overcast
8:53 AM 63.0 °F 54.0 °F 72% 30.14 in 10.0 mi South 8.1 mph - N/A   Overcast
9:53 AM 64.0 °F 54.0 °F 70% 30.15 in 10.0 mi SSW 9.2 mph - N/A   Overcast
10:53 AM 66.0 °F 54.0 °F 65% 30.17 in 10.0 mi SW 9.2 mph - N/A   Overcast
11:53 AM 66.9 °F 54.0 °F 63% 30.19 in 10.0 mi SSW 10.4 mph - N/A   Overcast
12:53 PM 68.0 °F 54.0 °F 61% 30.20 in 10.0 mi SSW 10.4 mph - N/A   Overcast
1:53 PM 68.0 °F 53.1 °F 59% 30.20 in 10.0 mi SW 12.7 mph 18.4 mph N/A   Mostly Cloudy
2:25 PM 71.6 °F 53.6 °F 53% 30.18 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
2:37 PM 71.6 °F 53.6 °F 53% 30.18 in 10.0 mi SW 13.8 mph - N/A   Scattered Clouds
2:53 PM 70.0 °F 53.1 °F 55% 30.20 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
3:53 PM 69.1 °F 53.1 °F 57% 30.21 in 10.0 mi WSW 8.1 mph - N/A   Overcast
4:53 PM 70.0 °F 54.0 °F 57% 30.20 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
5:53 PM 71.1 °F 53.1 °F 53% 30.20 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
6:53 PM 70.0 °F 53.1 °F 55% 30.20 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
7:53 PM 68.0 °F 53.1 °F 59% 30.20 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
8:53 PM 66.0 °F 53.1 °F 63% 30.21 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
9:53 PM 64.0 °F 53.1 °F 67% 30.23 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
10:53 PM 61.0 °F 52.0 °F 72% 30.22 in 10.0 mi SW 4.6 mph - N/A   Clear
11:53 PM 60.1 °F 52.0 °F 75% 30.22 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy