Seattle, WA

11:36 AM PST on December 06, 2016 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - March, 2013

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Sunday, March 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 44 °F 47 °F  
Max Temperature 48 °F 54 °F 65 °F (1972)
Min Temperature 39 °F 40 °F 27 °F (1951)
Degree Days  
Heating Degree Days 21 18  
Month to date heating degree days 297 329  
Since 1 July heating degree days 3438 3583  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 33 °F    
Average Humidity 69    
Maximum Humidity 79    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in 0.12 in 1.05 in (1950)
Month to date precipitation 1.48 2.11  
Year to date precipitation 7.22 11.18  
Snow  
Snow 0.00 in - T in (2012)
Month to date snowfall 0.0  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 14 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 17, 2013 Rise Set
Actual Time 7:17 AM PDT 7:18 PM PDT
Civil Twilight 6:46 AM PDT 7:48 PM PDT
Nautical Twilight 6:11 AM PDT 8:24 PM PDT
Astronomical Twilight 5:34 AM PDT 9:01 PM PDT
Moon 10:11 AM PDT (3/17) 12:53 AM PDT (3/17)
Length of Visible Light 13h 01m
Length of Day
12h 00m
Waxing Crescent, 32% of the Moon is Illuminated
Mar 17
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter
Apr 10
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 32.5 °F 34.0 °F 76% 30.02 in 10.0 mi SSW 17.3 mph - N/A   Overcast
1:26 AM 39.2 °F 31.2 °F 33.8 °F 81% 30.01 in 10.0 mi SW 13.8 mph - N/A   Overcast
1:53 AM 39.9 °F 33.9 °F 33.1 °F 77% 30.04 in 10.0 mi SSW 9.2 mph - N/A   Overcast
2:53 AM 39.9 °F 33.4 °F 34.0 °F 79% 30.06 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
3:14 AM 41.0 °F 34.7 °F 33.8 °F 76% 30.04 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
3:53 AM 41.0 °F 33.9 °F 34.0 °F 76% 30.08 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
4:53 AM 39.9 °F 33.4 °F 33.1 °F 77% 30.10 in 10.0 mi SW 10.4 mph 20.7 mph N/A   Overcast
5:53 AM 39.9 °F 32.1 °F 32.0 °F 73% 30.12 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
6:53 AM 39.9 °F 32.5 °F 32.0 °F 73% 30.14 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
7:53 AM 39.9 °F 31.8 °F 32.0 °F 73% 30.16 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
8:53 AM 41.0 °F 34.7 °F 32.0 °F 70% 30.19 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
9:53 AM 43.0 °F 35.4 °F 33.1 °F 68% 30.21 in 10.0 mi SW 16.1 mph - N/A   Mostly Cloudy
10:53 AM 44.1 °F 36.8 °F 33.1 °F 65% 30.22 in 10.0 mi SW 16.1 mph - N/A   Mostly Cloudy
11:53 AM 45.0 °F 38.2 °F 33.1 °F 63% 30.22 in 10.0 mi SW 15.0 mph 25.3 mph N/A   Mostly Cloudy
12:53 PM 46.9 °F - 33.1 °F 59% 30.22 in 10.0 mi SSW 19.6 mph 25.3 mph N/A   Mostly Cloudy
1:53 PM 46.9 °F - 34.0 °F 61% 30.21 in 10.0 mi SSW 19.6 mph 25.3 mph N/A   Mostly Cloudy
2:53 PM 46.9 °F - 33.1 °F 59% 30.21 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
3:53 PM 46.0 °F 39.6 °F 34.0 °F 63% 30.20 in 10.0 mi SSW 15.0 mph - N/A   Overcast
4:53 PM 46.0 °F 39.0 °F 33.1 °F 61% 30.20 in 10.0 mi SW 17.3 mph 23.0 mph N/A   Overcast
5:53 PM 44.1 °F 37.4 °F 30.9 °F 60% 30.21 in 10.0 mi SW 13.8 mph - N/A   Overcast
6:53 PM 43.0 °F 38.2 °F 30.9 °F 62% 30.20 in 10.0 mi SW 8.1 mph - N/A   Overcast
7:40 PM 42.8 °F 36.6 °F 33.8 °F 70% 30.17 in 10.0 mi SSW 11.5 mph - N/A   Overcast
7:53 PM 42.1 °F 34.5 °F 32.0 °F 67% 30.20 in 10.0 mi SW 15.0 mph - N/A   Overcast
8:53 PM 41.0 °F 34.7 °F 32.0 °F 70% 30.21 in 10.0 mi SW 10.4 mph 19.6 mph N/A   Overcast
9:53 PM 41.0 °F 33.9 °F 33.1 °F 73% 30.22 in 10.0 mi SSW 12.7 mph - N/A   Overcast
10:53 PM 41.0 °F 34.3 °F 33.1 °F 73% 30.22 in 10.0 mi South 11.5 mph - N/A   Overcast
11:53 PM 41.0 °F 34.7 °F 34.0 °F 76% 30.21 in 10.0 mi South 10.4 mph - N/A   Overcast