Weather History for KSEA - March, 2012

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Wednesday, March 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F 45 °F  
Max Temperature 48 °F 52 °F 66 °F (2001)
Min Temperature 29 °F 38 °F 26 °F (1951)
Degree Days  
Heating Degree Days 26 20  
Month to date heating degree days 160 140  
Since 1 July heating degree days 3547 3394  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 24 °F    
Average Humidity 58    
Maximum Humidity 82    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.12 in 0.67 in (1971)
Month to date precipitation 0.37 0.89  
Year to date precipitation 10.83 9.96  
Snow  
Snow 0.00 in - 1.80 in (1951)
Month to date snowfall T  
Since 1 July snowfall 9.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.45 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 07, 2012 Rise Set
Actual Time 6:36 AM PST 6:04 PM PST
Civil Twilight 6:06 AM PST 6:34 PM PST
Nautical Twilight 5:30 AM PST 7:10 PM PST
Astronomical Twilight 4:54 AM PST 7:46 PM PST
Moon 5:49 PM PST (3/7) 5:50 AM PST (3/7)
Length of Visible Light 12h 28m
Length of Day
11h 27m
Full, 100% of the Moon is Illuminated
Mar 7
Full
Mar 8
Full
Mar 14
Last Quarter
Mar 22
New
Mar 30
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 34.0 °F 28.8 °F 28.0 °F 79% 30.39 in 10.0 mi East 5.8 mph - N/A   Clear
1:53 AM 33.1 °F 27.7 °F 26.1 °F 75% 30.39 in 10.0 mi ESE 5.8 mph - N/A   Clear
2:53 AM 32.0 °F 26.4 °F 26.1 °F 79% 30.39 in 10.0 mi SE 5.8 mph - N/A   Clear
3:53 AM 32.0 °F 28.7 °F 26.1 °F 79% 30.40 in 10.0 mi ESE 3.5 mph - N/A   Clear
4:53 AM 30.0 °F 26.5 °F 25.0 °F 82% 30.41 in 10.0 mi ESE 3.5 mph - N/A   Clear
5:53 AM 30.9 °F 25.2 °F 24.1 °F 76% 30.42 in 10.0 mi ESE 5.8 mph - N/A   Clear
6:53 AM 30.0 °F 24.1 °F 24.1 °F 79% 30.44 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
7:53 AM 34.0 °F 28.8 °F 26.1 °F 73% 30.46 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
8:53 AM 36.0 °F 33.3 °F 26.1 °F 67% 30.49 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
9:53 AM 39.0 °F 36.8 °F 24.1 °F 55% 30.51 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
10:53 AM 43.0 °F - 23.0 °F 45% 30.51 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 45.0 °F 43.5 °F 23.0 °F 42% 30.50 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:53 PM 43.0 °F 38.8 °F 25.0 °F 49% 30.48 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:53 PM 45.0 °F 41.8 °F 24.1 °F 44% 30.47 in 10.0 mi WSW 5.8 mph - N/A   Overcast
2:53 PM 46.9 °F - 24.1 °F 41% 30.48 in 10.0 mi Calm Calm - N/A   Overcast
3:53 PM 46.9 °F - 19.0 °F 33% 30.48 in 10.0 mi North 9.2 mph - N/A   Overcast
4:53 PM 46.0 °F 41.0 °F 21.0 °F 37% 30.47 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
5:53 PM 44.1 °F 40.1 °F 21.9 °F 42% 30.47 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
6:53 PM 43.0 °F 38.8 °F 23.0 °F 45% 30.48 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
7:53 PM 42.8 °F 37.5 °F 24.8 °F 49% 30.43 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
8:53 PM 42.1 °F 35.7 °F 24.1 °F 49% 30.46 in 10.0 mi NNE 11.5 mph - N/A   Scattered Clouds
9:53 PM 41.0 °F 34.3 °F 24.1 °F 51% 30.46 in 10.0 mi NNE 11.5 mph - N/A   Scattered Clouds
10:53 PM 39.0 °F 33.4 °F 25.0 °F 57% 30.43 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
11:53 PM 37.4 °F 30.8 °F 26.6 °F 65% 30.38 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds