Weather History for KSEA - April, 2014

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Monday, April 28, 2014

  Actual Average Record
Temperature  
Mean Temperature 51 °F 52 °F  
Max Temperature 61 °F 61 °F 76 °F (1968)
Min Temperature 40 °F 44 °F 31 °F (1955)
Degree Days  
Heating Degree Days 14 13  
Month to date heating degree days 383 415  
Since 1 July heating degree days 3962 4243  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 37 °F    
Average Humidity 64    
Maximum Humidity 92    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.07 in 0.44 in (1978)
Month to date precipitation 4.18 2.57  
Year to date precipitation 23.43 15.36  
Snow  
Snow 0.00 in - T in (1986)
Month to date snowfall 0.0  
Since 1 July snowfall 4.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 28, 2014 Rise Set
Actual Time 5:57 AM PDT 8:17 PM PDT
Civil Twilight 5:23 AM PDT 8:50 PM PDT
Nautical Twilight 4:41 AM PDT 9:33 PM PDT
Astronomical Twilight 3:53 AM PDT 10:21 PM PDT
Moon 5:43 AM PDT (4/28) 7:59 PM PDT (4/28)
Length of Visible Light 15h 27m
Length of Day
14h 19m
Waning Crescent, 0% of the Moon is Illuminated
Apr 28
Waning Crescent
Apr 28
New
May 6
First Quarter
May 14
Full
May 21
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 44.6 °F 39.7 °F 39.2 °F 81% 30.15 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
1:53 AM 44.1 °F 40.1 °F 39.0 °F 82% 30.19 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
2:53 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.19 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
3:53 AM 42.1 °F 38.4 °F 37.9 °F 85% 30.25 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
4:53 AM 39.9 °F 35.8 °F 37.0 °F 89% 30.27 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
5:53 AM 39.9 °F 36.7 °F 37.0 °F 89% 30.29 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
6:53 AM 42.8 °F 39.3 °F 37.4 °F 81% 30.27 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
7:53 AM 45.0 °F 43.5 °F 39.0 °F 80% 30.32 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:42 AM 46.4 °F 45.2 °F 39.2 °F 76% 30.31 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
8:53 AM 48.9 °F - 39.9 °F 71% 30.34 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
9:08 AM 48.2 °F - 39.2 °F 71% 30.32 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
9:43 AM 48.2 °F - 39.2 °F 71% 30.33 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
9:53 AM 50.0 °F - 39.9 °F 68% 30.36 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
10:53 AM 52.0 °F - 39.0 °F 61% 30.37 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 54.0 °F - 39.0 °F 57% 30.38 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
12:53 PM 55.9 °F - 37.9 °F 51% 30.37 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
1:53 PM 57.2 °F - 37.4 °F 48% 30.35 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
2:53 PM 57.9 °F - 35.1 °F 42% 30.38 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
3:53 PM 60.1 °F - 35.1 °F 39% 30.36 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
4:53 PM 60.1 °F - 34.0 °F 38% 30.36 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
5:53 PM 60.1 °F - 34.0 °F 38% 30.36 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
6:53 PM 57.9 °F - 34.0 °F 41% 30.36 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
7:53 PM 55.9 °F - 34.0 °F 44% 30.36 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
8:53 PM 55.0 °F - 34.0 °F 45% 30.37 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
9:53 PM 55.9 °F - 33.1 °F 42% 30.38 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
10:53 PM 55.0 °F - 33.1 °F 43% 30.38 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
11:53 PM 52.0 °F - 37.0 °F 57% 30.39 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy