154  
CDUS46 KSEW 040117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT WED APR 03 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 3 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 53 222 PM 71 2004 57 -4 48  
MINIMUM 42 650 AM 32 1948 42 0 35  
AVERAGE 48 49 -1 42  
 
PRECIPITATION (IN)  
TODAY T 1.46 1991 0.12 -0.12 0.09  
MONTH TO DATE 0.02 0.36 -0.34 0.36  
SINCE OCT 1 29.68 30.01 -0.33 23.26  
SINCE JAN 1 12.53 14.07 -1.54 8.37  
 
SNOWFALL (IN)  
TODAY MM T 1989 T  
2009  
2023  
MONTH TO DATE 0.0 T  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 17 16 1 23  
MONTH TO DATE 39 48 -9 69  
SINCE MAR 1 588 605 -17 661  
SINCE JUL 1 3478 3652 -174 3748  
 
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 9 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 500 AM  
LOWEST 33 300 PM  
AVERAGE 58  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 75 1966  
MINIMUM TEMPERATURE (F) 42 31 1948  
 
SUNRISE AND SUNSET  
APRIL 3 2024.........SUNRISE 643 AM PDT SUNSET 743 PM PDT  
APRIL 4 2024.........SUNRISE 641 AM PDT SUNSET 744 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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