506  
CDUS46 KSEW 280118  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT SUN OCT 27 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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 57 1059 AM 67 1968 57 0 50  
MINIMUM 48 423 PM 31 1970 45 3 35  
AVERAGE 53 51 2 43  
 
PRECIPITATION (IN)  
TODAY 0.47 1.23 1967 0.16 0.31 0.00  
MONTH TO DATE 2.22 3.23 -1.01 2.89  
SINCE OCT 1 2.22 3.23 -1.01 2.89  
SINCE JAN 1 21.00 26.63 -5.63 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 12 14 -2 22  
MONTH TO DATE 268 289 -21 204  
SINCE SEP 1 374 391 -17 312  
SINCE JUL 1 412 446 -34 324  
 
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 13 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 72 1100 AM  
AVERAGE 86  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 68 2017  
MINIMUM TEMPERATURE (F) 44 29 1946  
 
SUNRISE AND SUNSET  
OCTOBER 27 2024.......SUNRISE 746 AM PDT SUNSET 559 PM PDT  
OCTOBER 28 2024.......SUNRISE 748 AM PDT SUNSET 557 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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