211  
CDUS46 KSEW 300117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT MON APR 29 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 29 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 54 326 PM 80 1976 63 -9 76  
MINIMUM 39 636 AM 31 1952 45 -6 54  
AVERAGE 47 54 -7 65  
 
PRECIPITATION (IN)  
TODAY 0.23 1.06 1959 0.08 0.15 0.00  
MONTH TO DATE 0.87 3.10 -2.23 3.86  
SINCE OCT 1 30.53 32.75 -2.22 26.76  
SINCE JAN 1 13.38 16.81 -3.43 11.87  
 
SNOWFALL (IN)  
TODAY 0.0 T 1954 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  
TODAY 18 11 7 0  
MONTH TO DATE 404 401 3 476  
SINCE MAR 1 953 958 -5 1068  
SINCE JUL 1 3843 4005 -162 4155  
 
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 4 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 52 200 PM  
AVERAGE 71  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 1976  
MINIMUM TEMPERATURE (F) 46 32 1954  
 
SUNRISE AND SUNSET  
APRIL 29 2024.........SUNRISE 555 AM PDT SUNSET 819 PM PDT  
APRIL 30 2024.........SUNRISE 553 AM PDT SUNSET 821 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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