Seattle, WA

1:47 PM PST on November 18, 2017 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - September, 2013

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Thursday, September 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 64 °F 64 °F  
Max Temperature 68 °F 74 °F 88 °F (1973)
Min Temperature 60 °F 54 °F 42 °F (1947)
Degree Days  
Heating Degree Days 1 2  
Month to date heating degree days 1 10  
Since 1 July heating degree days 16 95  
Cooling Degree Days 0 1  
Month to date cooling degree days 21 5  
Year to date cooling degree days 351 173  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 83    
Maximum Humidity 93    
Minimum Humidity 73    
Precipitation  
Precipitation 1.09 in 0.04 in 1.09 in (2013)
Month to date precipitation 1.19 0.20  
Year to date precipitation 20.59 20.79  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 7 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

Sep. 05, 2013 Rise Set
Actual Time 6:33 AM PDT 7:40 PM PDT
Civil Twilight 6:02 AM PDT 8:12 PM PDT
Nautical Twilight 5:24 AM PDT 8:49 PM PDT
Astronomical Twilight 4:44 AM PDT 9:29 PM PDT
Moon 6:55 AM PDT (9/5) 7:28 PM PDT (9/5)
Length of Visible Light 14h 09m
Length of Day
13h 07m
New Moon, 0% of the Moon is Illuminated
Sep 5
New Moon
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
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 64.9 °F 57.9 °F 78% 30.06 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
1:53 AM 63.0 °F 57.9 °F 84% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:02 AM 64.4 °F 57.2 °F 77% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:38 AM 62.6 °F 57.2 °F 82% 30.01 in 9.0 mi North 4.6 mph - N/A   Partly Cloudy
2:53 AM 62.1 °F 57.9 °F 86% 30.03 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
3:53 AM 61.0 °F 57.0 °F 87% 30.06 in 9.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:49 AM 60.8 °F 57.2 °F 88% 30.04 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 61.0 °F 57.0 °F 87% 30.05 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
5:09 AM 60.8 °F 57.2 °F 88% 30.04 in 8.0 mi Calm Calm - N/A   Overcast
5:51 AM 62.6 °F 57.2 °F 82% 30.03 in 8.0 mi Calm Calm - N/A Thunderstorm Thunderstorm
5:53 AM 62.1 °F 57.9 °F 86% 30.06 in 8.0 mi Calm Calm - N/A Thunderstorm Thunderstorm
6:35 AM 62.6 °F 57.2 °F 82% 30.04 in 3.0 mi Calm Calm - 0.04 in Rain Light Rain
6:38 AM 62.6 °F 57.2 °F 82% 30.04 in 3.0 mi Calm Calm - 0.04 in Rain Light Rain
6:53 AM 63.0 °F 59.0 °F 87% 30.05 in 3.0 mi Calm Calm - 0.05 in Rain Light Rain
7:18 AM 62.6 °F 59.0 °F 88% 30.03 in 3.0 mi NE 10.4 mph - 0.04 in Rain Light Rain
7:53 AM 63.0 °F 59.0 °F 87% 30.04 in 3.0 mi NE 8.1 mph - 0.10 in Rain Light Rain
8:06 AM 62.6 °F 59.0 °F 88% 30.03 in 2.5 mi ENE 6.9 mph - 0.00 in Rain Light Rain
8:21 AM 62.6 °F 59.0 °F 88% 30.05 in 2.0 mi SE 5.8 mph - 0.02 in Rain Light Rain
8:45 AM 62.6 °F 57.2 °F 82% 30.04 in 4.0 mi Calm Calm - 0.10 in Rain Light Rain
8:53 AM 63.0 °F 57.9 °F 84% 30.06 in 4.0 mi NE 4.6 mph - 0.10 in Rain , Thunderstorm Light Thunderstorms and Rain
9:03 AM 62.6 °F 57.2 °F 82% 30.04 in 5.0 mi NNE 9.2 mph - 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
9:20 AM 62.6 °F 57.2 °F 82% 30.04 in 4.0 mi NNE 6.9 mph - 0.01 in   Overcast
9:53 AM 63.0 °F 59.0 °F 87% 30.06 in 7.0 mi North 5.8 mph - 0.01 in   Overcast
10:26 AM 62.6 °F 59.0 °F 88% 30.05 in 3.0 mi WNW 5.8 mph - N/A   Overcast
10:33 AM 62.6 °F 59.0 °F 88% 30.04 in 1.5 mi WNW 6.9 mph - N/A   Overcast
10:53 AM 63.0 °F 59.0 °F 87% 30.06 in 1.5 mi WNW 6.9 mph - N/A   Overcast
11:11 AM 62.6 °F 59.0 °F 88% 30.04 in 3.0 mi NW 5.8 mph - N/A   Overcast
11:53 AM 63.0 °F 59.0 °F 87% 30.06 in 10.0 mi WNW 5.8 mph - N/A   Overcast
12:34 PM 64.4 °F 59.0 °F 83% 30.04 in 10.0 mi West 8.1 mph - N/A   Overcast
12:53 PM 64.0 °F 59.0 °F 84% 30.05 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
1:24 PM 64.4 °F 59.0 °F 83% 30.03 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
1:53 PM 64.9 °F 57.9 °F 78% 30.04 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
2:53 PM 66.9 °F 57.9 °F 73% 30.02 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
3:53 PM 66.9 °F 57.9 °F 73% 30.01 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
4:53 PM 66.0 °F 57.0 °F 73% 30.00 in 10.0 mi NNW 11.5 mph - N/A   Overcast
5:53 PM 64.9 °F 57.0 °F 75% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
6:25 PM 64.4 °F 55.4 °F 73% 29.97 in 10.0 mi NNW 8.1 mph - 0.00 in Rain Light Rain
6:47 PM 64.4 °F 55.4 °F 73% 29.96 in 10.0 mi WNW 4.6 mph - 0.00 in   Mostly Cloudy
6:53 PM 64.9 °F 55.9 °F 73% 29.98 in 10.0 mi NW 3.5 mph - 0.00 in   Mostly Cloudy
7:53 PM 63.0 °F 55.9 °F 78% 29.99 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
8:53 PM 63.0 °F 55.9 °F 78% 29.98 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
9:53 PM 63.0 °F 57.0 °F 81% 29.99 in 10.0 mi South 5.8 mph - N/A Thunderstorm Thunderstorm
10:14 PM 62.6 °F 55.4 °F 77% 29.98 in 10.0 mi WSW 5.8 mph - N/A Thunderstorm Thunderstorm
10:38 PM 62.6 °F 57.2 °F 82% 29.97 in 5.0 mi SW 5.8 mph - 0.00 in Rain , Thunderstorm Thunderstorms and Rain
10:53 PM 63.0 °F 59.0 °F 87% 29.99 in 5.0 mi SSW 6.9 mph - 0.04 in Rain , Thunderstorm Heavy Thunderstorms and Rain
11:53 PM 63.0 °F 60.1 °F 90% 29.99 in 3.0 mi South 10.4 mph - 0.36 in Rain , Thunderstorm Thunderstorms and Rain