710  
CDUS46 KSEW 280116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SAT APR 27 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 27 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 52 425 PM 81 1987 62 -10 68  
MINIMUM 47 806 AM 31 1948 45 2 50  
AVERAGE 50 54 -4 59  
 
PRECIPITATION (IN)  
TODAY 0.03 0.70 1952 0.09 -0.06 0.00  
MONTH TO DATE 0.54 2.94 -2.40 3.86  
SINCE OCT 1 30.20 32.59 -2.39 26.76  
SINCE JAN 1 13.05 16.65 -3.60 11.87  
 
SNOWFALL (IN)  
TODAY 0.0 T 1970 0.0  
MONTH TO DATE 0.0 T  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 15 12 3 6  
MONTH TO DATE 369 379 -10 476  
SINCE MAR 1 918 936 -18 1068  
SINCE JUL 1 3808 3983 -175 4155  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 AM  
LOWEST 71 400 PM  
AVERAGE 81  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 80 2023  
MINIMUM TEMPERATURE (F) 45 31 1955  
 
SUNRISE AND SUNSET  
APRIL 27 2024.........SUNRISE 558 AM PDT SUNSET 816 PM PDT  
APRIL 28 2024.........SUNRISE 556 AM PDT SUNSET 818 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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