Weather History for KSEA - May, 2013

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Friday, May 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 58 °F  
Max Temperature 62 °F 66 °F 89 °F (1992)
Min Temperature 48 °F 49 °F 37 °F (1950)
Degree Days  
Heating Degree Days 10 8  
Month to date heating degree days 149 234  
Since 1 July heating degree days 4229 4502  
Cooling Degree Days 0 0  
Month to date cooling degree days 13 0  
Year to date cooling degree days 13 0  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 69    
Maximum Humidity 86    
Minimum Humidity 51    
Precipitation  
Precipitation 0.01 in 0.06 in 0.65 in (1998)
Month to date precipitation 1.70 1.49  
Year to date precipitation 16.07 16.99  
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 24, 2013 Rise Set
Actual Time 5:22 AM PDT 8:50 PM PDT
Civil Twilight 4:44 AM PDT 9:28 PM PDT
Nautical Twilight 3:53 AM PDT 10:19 PM PDT
Astronomical Twilight 2:47 AM PDT 11:26 PM PDT
Moon 8:37 PM PDT (5/24) 5:02 AM PDT (5/24)
Length of Visible Light 16h 44m
Length of Day
15h 28m
Full, 100% of the Moon is Illuminated
May 24
Full
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
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 48.9 °F 45.0 °F 86% 30.01 in 10.0 mi Calm Calm - 0.00 in   Overcast
1:53 AM 48.9 °F 45.0 °F 86% 30.01 in 10.0 mi North 4.6 mph - 0.00 in   Overcast
2:53 AM 48.9 °F 45.0 °F 86% 30.01 in 10.0 mi NNE 4.6 mph - N/A   Overcast
3:53 AM 48.9 °F 45.0 °F 86% 30.01 in 10.0 mi NNE 5.8 mph - 0.00 in Rain Light Rain
4:53 AM 48.0 °F 45.0 °F 89% 30.01 in 10.0 mi North 3.5 mph - 0.00 in   Overcast
5:53 AM 48.9 °F 45.0 °F 86% 30.02 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
6:53 AM 51.1 °F 44.1 °F 77% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:27 AM 51.8 °F 44.6 °F 76% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 51.1 °F 45.0 °F 80% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
8:12 AM 51.8 °F 44.6 °F 76% 30.02 in 10.0 mi West 3.5 mph - N/A   Overcast
8:53 AM 50.0 °F 45.0 °F 83% 30.05 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
9:18 AM 50.0 °F 44.6 °F 82% 30.03 in 10.0 mi SW 3.5 mph - 0.01 in Rain Light Rain
9:53 AM 53.1 °F 46.0 °F 77% 30.06 in 10.0 mi SW 4.6 mph - 0.01 in   Mostly Cloudy
10:53 AM 55.9 °F 46.0 °F 69% 30.05 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
11:53 AM 57.0 °F 43.0 °F 59% 30.06 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
12:53 PM 55.0 °F 44.1 °F 67% 30.06 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
1:53 PM 59.0 °F 42.1 °F 53% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:53 PM 61.0 °F 42.1 °F 50% 30.06 in 10.0 mi SSW 11.5 mph 16.1 mph N/A   Scattered Clouds
3:53 PM 62.1 °F 44.1 °F 52% 30.06 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
4:53 PM 61.0 °F 43.0 °F 52% 30.06 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
5:53 PM 60.1 °F 46.0 °F 60% 30.06 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
6:53 PM 57.9 °F 46.0 °F 65% 30.07 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
7:53 PM 55.9 °F 46.0 °F 69% 30.07 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
8:49 PM 53.6 °F 50.0 °F 88% 30.06 in 9.0 mi South 9.2 mph - 0.00 in Rain Light Rain
8:53 PM 54.0 °F 50.0 °F 86% 30.08 in 9.0 mi South 9.2 mph - 0.00 in Rain Light Rain
9:06 PM 53.6 °F 48.2 °F 82% 30.06 in 10.0 mi South 8.1 mph - 0.00 in   Overcast
9:14 PM 53.6 °F 48.2 °F 82% 30.06 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
9:19 PM 53.6 °F 48.2 °F 82% 30.06 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
9:53 PM 54.0 °F 48.0 °F 80% 30.09 in 10.0 mi SW 11.5 mph - 0.00 in   Mostly Cloudy
10:53 PM 52.0 °F 46.9 °F 83% 30.09 in 10.0 mi South 8.1 mph - 0.00 in   Mostly Cloudy
11:53 PM 52.0 °F 46.0 °F 80% 30.08 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy