Weather History for KSEA - June, 2013

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Sunday, June 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 65 °F 61 °F  
Max Temperature 75 °F 70 °F 88 °F (1961)
Min Temperature 55 °F 52 °F 42 °F (1954)
Degree Days  
Heating Degree Days 0 5  
Month to date heating degree days 36 91  
Since 1 June heating degree days 36 91  
Since 1 July heating degree days 4319 4644  
Cooling Degree Days 0 1  
Month to date cooling degree days 8 4  
Year to date cooling degree days 21 10  
Since 1 June cooling degree days 8 4  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 65    
Maximum Humidity 83    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.06 in 0.52 in (2005)
Month to date precipitation 0.05 0.97  
Year to date precipitation 16.80 18.41  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jun. 16, 2013 Rise Set
Actual Time 5:11 AM PDT 9:08 PM PDT
Civil Twilight 4:31 AM PDT 9:49 PM PDT
Nautical Twilight 3:35 AM PDT 10:44 PM PDT
Astronomical Twilight 2:08 AM PDT 12:12 AM PDT
Moon 1:24 PM PDT (6/16) 12:47 AM PDT (6/16)
Length of Visible Light 17h 17m
Length of Day
15h 57m
Waxing Crescent, 51% of the Moon is Illuminated
Jun 16
Waxing Crescent
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
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 61.0 °F 48.9 °F 64% 30.03 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
1:53 AM 59.0 °F 48.9 °F 69% 30.04 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
2:53 AM 57.9 °F 50.0 °F 75% 30.06 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
3:53 AM 57.0 °F 50.0 °F 77% 30.06 in 10.0 mi SSW 5.8 mph - N/A   Clear
4:53 AM 55.9 °F 50.0 °F 80% 30.07 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
5:53 AM 55.9 °F 50.0 °F 80% 30.08 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
6:53 AM 57.9 °F 51.1 °F 78% 30.09 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
7:53 AM 57.9 °F 51.1 °F 78% 30.10 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
8:11 AM 57.2 °F 51.8 °F 82% 30.09 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
8:53 AM 60.1 °F 51.1 °F 72% 30.11 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
9:53 AM 63.0 °F 51.1 °F 65% 30.10 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
10:53 AM 66.0 °F 50.0 °F 56% 30.10 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
11:53 AM 66.9 °F 50.0 °F 54% 30.09 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
12:53 PM 70.0 °F 51.1 °F 51% 30.09 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
1:53 PM 73.0 °F 52.0 °F 48% 30.08 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
2:53 PM 71.1 °F 53.1 °F 53% 30.08 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
3:53 PM 73.9 °F 53.1 °F 48% 30.08 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
4:53 PM 75.0 °F 54.0 °F 48% 30.08 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
5:53 PM 72.0 °F 54.0 °F 53% 30.09 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
6:53 PM 72.0 °F 50.0 °F 46% 30.09 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
7:53 PM 69.1 °F 48.9 °F 49% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
8:53 PM 66.9 °F 48.9 °F 52% 30.10 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
9:53 PM 64.0 °F 48.9 °F 58% 30.12 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
10:53 PM 62.1 °F 48.9 °F 62% 30.13 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
11:53 PM 59.0 °F 48.9 °F 69% 30.13 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds