218  
CDUS46 KSEW 310115  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
615 PM PDT SAT MAR 30 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 30 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 58 109 PM 72 1995 56 2 53  
MINIMUM 40 519 AM 27 1954 41 -1 43  
AVERAGE 49 49 0 48  
 
PRECIPITATION (IN)  
TODAY 0.00 0.65 1963 0.12 -0.12 0.00  
MONTH TO DATE 2.22 4.05 -1.83 2.16  
SINCE OCT 1 29.52 29.53 -0.01 22.50  
SINCE JAN 1 12.37 13.59 -1.22 7.61  
 
SNOWFALL (IN)  
TODAY MM T 1982 0.0  
1996  
2008  
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 16 16 0 17  
MONTH TO DATE 533 541 -8 572  
SINCE MAR 1 533 541 -8 572  
SINCE JUL 1 3423 3588 -165 3659  
 
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 8 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 42 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 75 1987  
MINIMUM TEMPERATURE (F) 41 30 1949  
 
SUNRISE AND SUNSET  
MARCH 30 2024.........SUNRISE 651 AM PDT SUNSET 737 PM PDT  
MARCH 31 2024.........SUNRISE 649 AM PDT SUNSET 739 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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