043  
CDUS46 KSEW 020934  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
134 AM PST TUE DEC 02 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 1 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 218 PM 57 1958 49 -3 48  
MINIMUM 35 102 AM 20 1985 38 -3 33  
AVERAGE 41 44 -3 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.52 1979 0.19 -0.18 0.00  
MONTH TO DATE 0.01 0.19 -0.18 0.00  
SINCE OCT 1 9.42 10.41 -0.99 7.90  
SINCE JAN 1 25.69 33.81 -8.12 26.68  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 24 22 2 24  
MONTH TO DATE 24 22 2 24  
SINCE DEC 1 24 22 2 24  
SINCE JUL 1 938 1083 -145 1065  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 328 263 65 315    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 AM  
LOWEST 70 400 PM  
AVERAGE 82  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 60 2020  
MINIMUM TEMPERATURE (F) 38 25 1985  
 
SUNRISE AND SUNSET  
DECEMBER 2 2025......SUNRISE 738 AM PST SUNSET 420 PM PST  
DECEMBER 3 2025......SUNRISE 739 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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