952  
CDUS46 KSEW 250926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST WED DEC 25 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 24 2024...  
 
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)  
YESTERDAY  
MAXIMUM 51 233 PM 62 2005 46 5 44  
MINIMUM 40 1143 PM 16 1948 37 3 30  
AVERAGE 46 42 4 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.52 2022 0.19 -0.16 T  
MONTH TO DATE 3.63 4.43 -0.80 7.54  
SINCE OCT 1 11.53 14.65 -3.12 16.21  
SINCE JAN 1 30.31 38.05 -7.74 34.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 2008 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  
YESTERDAY 19 23 -4 28  
MONTH TO DATE 499 548 -49 489  
SINCE DEC 1 499 548 -49 489  
SINCE JUL 1 1540 1609 -69 1492  
 
COOLING  
YESTERDAY 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 10 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 63 300 PM  
AVERAGE 80  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 60 1980  
MINIMUM TEMPERATURE (F) 37 24 1995  
 
SUNRISE AND SUNSET  
DECEMBER 25 2024......SUNRISE 756 AM PST SUNSET 424 PM PST  
DECEMBER 26 2024......SUNRISE 756 AM PST SUNSET 424 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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