Weather History for Seattle, WA

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Monday, April 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 51 °F  
Max Temperature 61 °F 60 °F 78 °F (1977)
Min Temperature 41 °F 43 °F 35 °F (1950)
Degree Days  
Heating Degree Days 14 14  
Month to date heating degree days 328 336  
Since 1 July heating degree days 3992 4164  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 56    
Maximum Humidity 89    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.08 in 1.28 in (1996)
Month to date precipitation 5.70 2.11  
Year to date precipitation 14.18 14.90  
Snow  
Snow 0.00 in - T in (1978)
Month to date snowfall 0.0  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.49 in    
Wind  
Wind Speed 10 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 22, 2013 Rise Set
Actual Time 6:07 AM PDT 8:08 PM PDT
Civil Twilight 5:34 AM PDT 8:42 PM PDT
Nautical Twilight 4:53 AM PDT 9:23 PM PDT
Astronomical Twilight 4:08 AM PDT 10:08 PM PDT
Moon 4:52 PM PDT (4/22) 4:18 AM PDT (4/22)
Length of Visible Light 15h 08m
Length of Day
14h 01m
Waxing Gibbous, 88% of the Moon is Illuminated
Apr 22
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First 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 45.0 °F 40.1 °F 35.1 °F 68% 30.42 in 10.0 mi NE 9.2 mph - N/A   Partly Cloudy
1:53 AM 43.0 °F 38.8 °F 36.0 °F 76% 30.43 in 10.0 mi NE 6.9 mph - N/A   Partly Cloudy
2:29 AM 42.8 °F 38.6 °F 35.6 °F 76% 30.41 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
2:53 AM 42.1 °F 38.4 °F 36.0 °F 79% 30.44 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
3:53 AM 41.0 °F 36.4 °F 36.0 °F 82% 30.46 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
4:53 AM 42.1 °F 36.6 °F 37.0 °F 82% 30.48 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
5:53 AM 42.1 °F 37.7 °F 37.9 °F 85% 30.49 in 10.0 mi NE 6.9 mph - N/A   Partly Cloudy
6:31 AM 41.0 °F 35.8 °F 37.4 °F 87% 30.47 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
6:46 AM 41.0 °F 35.8 °F 37.4 °F 87% 30.48 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
6:53 AM 42.1 °F 36.6 °F 37.9 °F 85% 30.51 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
7:53 AM 43.0 °F 39.5 °F 39.0 °F 86% 30.53 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
8:53 AM 46.9 °F - 39.9 °F 77% 30.53 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
9:53 AM 50.0 °F - 39.9 °F 68% 30.53 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
10:53 AM 53.1 °F - 37.0 °F 55% 30.55 in 10.0 mi NNE 11.5 mph - N/A   Partly Cloudy
11:53 AM 55.0 °F - 37.0 °F 51% 30.55 in 10.0 mi North 10.4 mph 17.3 mph N/A   Partly Cloudy
12:53 PM 57.0 °F - 37.0 °F 47% 30.53 in 10.0 mi North 9.2 mph 16.1 mph N/A   Partly Cloudy
1:53 PM 57.9 °F - 37.0 °F 46% 30.52 in 10.0 mi North 12.7 mph 18.4 mph N/A   Partly Cloudy
2:53 PM 60.1 °F - 33.1 °F 36% 30.51 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
3:53 PM 61.0 °F - 23.0 °F 23% 30.50 in 10.0 mi North 13.8 mph 20.7 mph N/A   Partly Cloudy
4:53 PM 61.0 °F - 21.0 °F 21% 30.48 in 10.0 mi NNW 16.1 mph - N/A   Partly Cloudy
5:53 PM 60.1 °F - 23.0 °F 24% 30.47 in 10.0 mi North 13.8 mph - N/A   Partly Cloudy
6:53 PM 57.0 °F - 21.0 °F 25% 30.47 in 10.0 mi North 12.7 mph - N/A   Partly Cloudy
7:53 PM 53.1 °F - 21.9 °F 30% 30.47 in 10.0 mi North 12.7 mph - N/A   Partly Cloudy
8:53 PM 51.1 °F - 27.0 °F 39% 30.48 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
9:53 PM 50.0 °F - 30.0 °F 46% 30.47 in 10.0 mi North 9.2 mph - N/A   Clear
10:53 PM 51.1 °F - 27.0 °F 39% 30.46 in 10.0 mi NNE 11.5 mph - N/A   Clear
11:53 PM 50.0 °F - 28.9 °F 44% 30.44 in 10.0 mi NE 6.9 mph - N/A   Clear