399  
CDUS46 KSEW 040217  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PST TUE DEC 03 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 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 43 231 PM 60 1965 48 -5 54  
2015  
MINIMUM 31 920 AM 27 1994 38 -7 43  
AVERAGE 37 43 -6 49  
 
PRECIPITATION (IN)  
TODAY 0.00 3.77 2007 0.19 -0.19 0.22  
MONTH TO DATE 0.00 0.57 -0.57 1.28  
SINCE OCT 1 7.90 10.79 -2.89 9.95  
SINCE JAN 1 26.68 34.19 -7.51 27.77  
 
SNOWFALL (IN)  
TODAY 0.0 2.6 2022 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 28 22 6 16  
MONTH TO DATE 82 66 16 55  
SINCE DEC 1 82 66 16 55  
SINCE JUL 1 1123 1127 -4 1058  
 
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 5 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 73 300 PM  
AVERAGE 85  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 60 1945  
MINIMUM TEMPERATURE (F) 38 21 1994  
 
SUNRISE AND SUNSET  
DECEMBER 3 2024......SUNRISE 739 AM PST SUNSET 419 PM PST  
DECEMBER 4 2024......SUNRISE 740 AM PST SUNSET 419 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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