052  
CDUS46 KSEW 110216  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PST TUE DEC 10 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 44 220 PM 66 2014 47 -3 53  
MINIMUM 32 700 AM 16 2009 37 -5 44  
AVERAGE 38 42 -4 49  
 
PRECIPITATION (IN)  
TODAY 0.00 1.55 1977 0.19 -0.19 0.14  
MONTH TO DATE 0.59 1.89 -1.30 6.56  
SINCE OCT 1 8.49 12.11 -3.62 15.23  
SINCE JAN 1 27.27 35.51 -8.24 33.05  
 
SNOWFALL (IN)  
TODAY 0.0 2.8 1992 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 27 23 4 16  
MONTH TO DATE 247 223 24 185  
SINCE DEC 1 247 223 24 185  
SINCE JUL 1 1288 1284 4 1188  
 
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 N (10)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 73 300 PM  
AVERAGE 87  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 58 2014  
MINIMUM TEMPERATURE (F) 37 21 2009  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 746 AM PST SUNSET 418 PM PST  
DECEMBER 11 2024......SUNRISE 747 AM PST SUNSET 418 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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