351  
CDUS46 KSEW 010826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT MON APR 01 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 31 2024
 
 
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)  
YESTERDAY  
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)  
YESTERDAY 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)  
YESTERDAY 0.0 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 6 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 41 800 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 82 1987  
MINIMUM TEMPERATURE (F) 42 29 1953  
 
SUNRISE AND SUNSET  
APRIL 1 2024.........SUNRISE 647 AM PDT SUNSET 740 PM PDT  
APRIL 2 2024.........SUNRISE 645 AM PDT SUNSET 741 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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