610  
CDUS46 KSEW 080830  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
130 AM PDT MON APR 08 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 7 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 54 1231 PM 78 1996 57 -3 57  
2016  
MINIMUM 42 1159 PM 29 1952 42 0 46  
AVERAGE 48 50 -2 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.54 2013 0.12 -0.10 0.09  
MONTH TO DATE 0.16 0.84 -0.68 0.90  
SINCE OCT 1 29.82 30.49 -0.67 23.80  
SINCE JAN 1 12.67 14.55 -1.88 8.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1972 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  
YESTERDAY 17 15 2 13  
MONTH TO DATE 115 110 5 140  
SINCE MAR 1 664 667 -3 732  
SINCE JUL 1 3554 3714 -160 3819  
 
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 9 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 56 800 PM  
AVERAGE 71  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 76 2016  
MINIMUM TEMPERATURE (F) 42 29 1952  
 
SUNRISE AND SUNSET  
APRIL 8 2024.........SUNRISE 633 AM PDT SUNSET 750 PM PDT  
APRIL 9 2024.........SUNRISE 631 AM PDT SUNSET 751 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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