Seattle, WA

4:06 PM PDT on April 26, 2017 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - April, 2013

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Monday, April 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 50 °F  
Max Temperature 57 °F 58 °F 74 °F (1999)
Min Temperature 40 °F 42 °F 33 °F (1967)
Degree Days  
Heating Degree Days 16 15  
Month to date heating degree days 224 236  
Since 1 July heating degree days 3888 4064  
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 65    
Maximum Humidity 86    
Minimum Humidity 43    
Precipitation  
Precipitation T in 0.09 in 0.75 in (1950)
Month to date precipitation 4.54 1.50  
Year to date precipitation 13.02 14.29  
Snow  
Snow 0.00 in - T in (1986)
Month to date snowfall 0.0  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 35 mph    
Max Gust Speed 45 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 15, 2013 Rise Set
Actual Time 6:20 AM PDT 7:59 PM PDT
Civil Twilight 5:47 AM PDT 8:31 PM PDT
Nautical Twilight 5:08 AM PDT 9:11 PM PDT
Astronomical Twilight 4:25 AM PDT 9:54 PM PDT
Moon 9:38 AM PDT (4/15) 12:27 AM PDT (4/15)
Length of Visible Light 14h 43m
Length of Day
13h 39m
Waxing Crescent, 25% of the Moon is Illuminated
Apr 15
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

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 41.0 °F 38.0 °F 36.0 °F 82% 29.98 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
1:25 AM 41.0 °F 36.4 °F 37.4 °F 87% 29.96 in 10.0 mi SE 6.9 mph - N/A   Overcast
1:53 AM 41.0 °F 37.1 °F 37.0 °F 86% 29.98 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
2:53 AM 41.0 °F 38.0 °F 37.0 °F 86% 29.98 in 10.0 mi South 4.6 mph - N/A   Overcast
3:53 AM 41.0 °F - 36.0 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 41.0 °F - 37.0 °F 86% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
5:13 AM 41.0 °F - 35.6 °F 81% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 41.0 °F - 36.0 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 41.0 °F - 37.0 °F 86% 30.01 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
7:07 AM 41.0 °F - 37.4 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:28 AM 41.0 °F - 37.4 °F 87% 30.00 in 0.5 mi Calm Calm - N/A   Overcast
7:53 AM 41.0 °F - 37.9 °F 89% 30.03 in 0.5 mi Calm Calm - N/A   Overcast
8:03 AM 41.0 °F - 37.4 °F 87% 30.01 in 4.0 mi Calm Calm - N/A   Overcast
8:13 AM 41.0 °F - 39.2 °F 93% 30.01 in 2.0 mi Calm Calm - N/A   Overcast
8:53 AM 43.0 °F - 37.9 °F 82% 30.04 in 8.0 mi Calm Calm - N/A   Overcast
9:05 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.02 in 8.0 mi North 3.5 mph - N/A   Overcast
9:53 AM 45.0 °F - 37.9 °F 76% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:19 AM 46.4 °F 45.2 °F 37.4 °F 71% 30.03 in 10.0 mi NNE 3.5 mph - N/A   Overcast
10:53 AM 48.0 °F - 37.9 °F 68% 30.06 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
11:53 AM 51.1 °F - 37.9 °F 61% 30.07 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
12:53 PM 51.1 °F - 36.0 °F 56% 30.08 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
1:36 PM 51.8 °F - 35.6 °F 54% 30.06 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
1:53 PM 53.1 °F - 36.0 °F 52% 30.08 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
2:53 PM 55.0 °F - 35.1 °F 47% 30.08 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
3:53 PM 55.9 °F - 35.1 °F 45% 30.08 in 10.0 mi North 10.4 mph - N/A   Mostly Cloudy
4:53 PM 55.9 °F - 33.1 °F 42% 30.09 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
5:53 PM 55.9 °F - 35.1 °F 45% 30.12 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
6:53 PM 54.0 °F - 36.0 °F 51% 30.12 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
7:39 PM 48.2 °F - 37.4 °F 66% 30.13 in 10.0 mi NE 24.2 mph 44.9 mph N/A   Squalls
7:44 PM 48.2 °F - 37.4 °F 66% 30.13 in 10.0 mi NE 20.7 mph 34.5 mph 0.00 in Rain Light Rain
7:53 PM 46.9 °F - 37.9 °F 71% 30.15 in 10.0 mi East 16.1 mph - 0.00 in Rain Light Rain
8:53 PM 44.1 °F 39.5 °F 37.9 °F 79% 30.17 in 10.0 mi SE 8.1 mph - 0.00 in   Mostly Cloudy
9:53 PM 44.1 °F 40.1 °F 37.9 °F 79% 30.19 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
10:53 PM 43.0 °F 39.5 °F 37.0 °F 80% 30.19 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
11:53 PM 41.0 °F 39.0 °F 37.0 °F 86% 30.21 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy