Weather History for KSEA - August, 2013

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Saturday, August 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 67 °F  
Max Temperature 77 °F 77 °F 90 °F (1988)
Min Temperature 60 °F 57 °F 46 °F (1956)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 6 3  
Since 1 June heating degree days 64 196  
Since 1 July heating degree days 15 52  
Cooling Degree Days 4 3  
Month to date cooling degree days 4 9  
Year to date cooling degree days 179 107  
Since 1 June cooling degree days 166 101  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 70    
Maximum Humidity 90    
Minimum Humidity 50    
Precipitation  
Precipitation T in 0.01 in 0.47 in (1996)
Month to date precipitation 0.08 0.05  
Year to date precipitation 18.13 19.76  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 5 mph (NNW)    
Max Wind Speed 12 mph    
Max Gust Speed 13 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 03, 2013 Rise Set
Actual Time 5:50 AM PDT 8:39 PM PDT
Civil Twilight 5:14 AM PDT 9:15 PM PDT
Nautical Twilight 4:29 AM PDT 10:00 PM PDT
Astronomical Twilight 3:35 AM PDT 10:53 PM PDT
Moon 3:01 AM PDT 6:27 PM PDT
Length of Visible Light 16h 00m
Length of Day
14h 49m
Waning Crescent, 9% of the Moon is Illuminated
Aug 3
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:13 AM 60.8 °F 57.2 °F 88% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 AM 61.0 °F 57.0 °F 87% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 61.0 °F 57.0 °F 87% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 61.0 °F 57.0 °F 87% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 61.0 °F 57.0 °F 87% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 61.0 °F 57.0 °F 87% 30.14 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
5:06 AM 60.8 °F 57.2 °F 88% 30.12 in 6.0 mi Calm Calm - N/A   Overcast
5:33 AM 60.8 °F 57.2 °F 88% 30.13 in 1.5 mi North 4.6 mph - 0.00 in Rain Light Rain
5:50 AM 60.8 °F 57.2 °F 88% 30.13 in 2.0 mi North 3.5 mph - 0.00 in   Overcast
5:53 AM 60.1 °F 57.0 °F 90% 30.15 in 2.0 mi North 3.5 mph - 0.00 in   Overcast
6:19 AM 60.8 °F 57.2 °F 88% 30.14 in 1.5 mi Calm Calm - N/A   Overcast
6:48 AM 60.8 °F 57.2 °F 88% 30.14 in 1.5 mi Calm Calm - N/A   Overcast
6:53 AM 60.1 °F 57.0 °F 90% 30.16 in 1.5 mi WNW 3.5 mph - N/A   Overcast
7:53 AM 61.0 °F 57.9 °F 90% 30.16 in 1.5 mi North 3.5 mph - N/A   Overcast
8:53 AM 62.1 °F 57.9 °F 86% 30.16 in 1.5 mi WNW 3.5 mph - N/A   Overcast
9:08 AM 62.6 °F 57.2 °F 82% 30.14 in 3.0 mi WNW 4.6 mph - N/A   Overcast
9:14 AM 62.6 °F 57.2 °F 82% 30.14 in 3.0 mi WNW 3.5 mph - N/A   Overcast
9:28 AM 62.6 °F 57.2 °F 82% 30.14 in 3.0 mi Variable 4.6 mph - N/A   Overcast
9:53 AM 63.0 °F 57.9 °F 84% 30.16 in 5.0 mi North 4.6 mph - N/A   Overcast
10:05 AM 64.4 °F 57.2 °F 77% 30.14 in 9.0 mi North 4.6 mph - N/A   Overcast
10:34 AM 64.4 °F 57.2 °F 77% 30.14 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
10:49 AM 64.4 °F 57.2 °F 77% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 64.9 °F 57.9 °F 78% 30.16 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:00 AM 66.2 °F 57.2 °F 73% 30.14 in 10.0 mi North 4.6 mph - N/A   Overcast
11:53 AM 64.9 °F 57.0 °F 75% 30.16 in 10.0 mi WNW 5.8 mph - N/A   Overcast
12:03 PM 66.2 °F 57.2 °F 73% 30.14 in 10.0 mi WNW 5.8 mph - N/A   Overcast
12:53 PM 68.0 °F 57.0 °F 68% 30.15 in 10.0 mi WNW 9.2 mph - N/A   Overcast
1:53 PM 70.0 °F 55.9 °F 61% 30.16 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
2:09 PM 71.6 °F 55.4 °F 57% 30.14 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
2:53 PM 71.1 °F 55.9 °F 59% 30.14 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
3:53 PM 72.0 °F 55.0 °F 55% 30.13 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
4:53 PM 75.0 °F 55.0 °F 50% 30.11 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
5:53 PM 75.9 °F 55.9 °F 50% 30.10 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
6:53 PM 73.0 °F 55.9 °F 55% 30.09 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
7:53 PM 71.1 °F 55.0 °F 57% 30.09 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
8:53 PM 69.1 °F 55.0 °F 61% 30.09 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:53 PM 66.9 °F 54.0 °F 63% 30.10 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
10:53 PM 64.0 °F 54.0 °F 70% 30.10 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
11:53 PM 64.9 °F 54.0 °F 68% 30.09 in 10.0 mi North 9.2 mph - N/A   Clear