780  
CDUS46 KSEW 300117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT TUE OCT 29 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 54 353 PM 65 1986 56 -2 55  
1987  
MINIMUM 47 808 AM 31 1970 44 3 32  
1971  
AVERAGE 51 50 1 44  
 
PRECIPITATION (IN)  
TODAY T 1.24 1975 0.16 -0.16 0.00  
MONTH TO DATE 2.44 3.56 -1.12 2.89  
SINCE OCT 1 2.44 3.56 -1.12 2.89  
SINCE JAN 1 21.22 26.96 -5.74 20.71  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 15 -1 21  
MONTH TO DATE 297 319 -22 248  
SINCE SEP 1 403 421 -18 356  
SINCE JUL 1 441 476 -35 368  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 42 30 12 26  
SINCE JAN 1 315 263 52 378    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 54 400 PM  
AVERAGE 74  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 66 1967  
MINIMUM TEMPERATURE (F) 44 30 1991  
 
SUNRISE AND SUNSET  
OCTOBER 29 2024.......SUNRISE 749 AM PDT SUNSET 556 PM PDT  
OCTOBER 30 2024.......SUNRISE 751 AM PDT SUNSET 554 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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