385  
CDUS46 KSEW 020225  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
625 PM PST SUN DEC 01 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 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 48 255 PM 57 1958 49 -1 50  
MINIMUM 33 706 AM 20 1985 38 -5 39  
AVERAGE 41 44 -3 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.52 1979 0.19 -0.19 0.63  
MONTH TO DATE 0.00 0.19 -0.19 0.63  
SINCE OCT 1 7.90 10.41 -2.51 9.30  
SINCE JAN 1 26.68 33.81 -7.13 27.12  
 
SNOWFALL (IN)  
TODAY 0.0 1.1 2007 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 24 22 2 20  
MONTH TO DATE 24 22 2 20  
SINCE DEC 1 24 22 2 20  
SINCE JUL 1 1065 1083 -18 1023  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 315 263 52 378    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 71 100 PM  
AVERAGE 86  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 60 2020  
MINIMUM TEMPERATURE (F) 38 25 1985  
 
SUNRISE AND SUNSET  
DECEMBER 1 2024......SUNRISE 737 AM PST SUNSET 420 PM PST  
DECEMBER 2 2024......SUNRISE 738 AM PST SUNSET 420 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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