839  
CDUS46 KSEW 010116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SUN MAR 31 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 31 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 61 356 PM 75 1987 56 5 48  
MINIMUM 40 530 AM 30 1949 41 -1 41  
AVERAGE 51 49 2 45  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1959 0.12 -0.12 0.40  
MONTH TO DATE 2.22 4.17 -1.95 2.56  
SINCE OCT 1 29.52 29.65 -0.13 22.90  
SINCE JAN 1 12.37 13.71 -1.34 8.01  
 
SNOWFALL (IN)  
TODAY MM T 1982 0.0  
1996  
MONTH TO DATE 0.3 T  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 14 16 -2 20  
MONTH TO DATE 547 557 -10 592  
SINCE MAR 1 547 557 -10 592  
SINCE JUL 1 3437 3604 -167 3679  
 
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 7 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 42 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 82 1987  
MINIMUM TEMPERATURE (F) 42 29 1953  
 
SUNRISE AND SUNSET  
MARCH 31 2024.........SUNRISE 649 AM PDT SUNSET 739 PM PDT  
APRIL 1 2024.........SUNRISE 647 AM PDT SUNSET 740 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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