743  
CDUS46 KSEW 030940  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
140 AM PST TUE DEC 03 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 2 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 40 MM 60 2020 49 -9 49  
MINIMUM 30 647 AM 25 1985 38 -8 43  
AVERAGE 35 43 -8 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.75 1975 0.19 -0.19 0.43  
MONTH TO DATE 0.00 0.38 -0.38 1.06  
SINCE OCT 1 7.90 10.60 -2.70 9.73  
SINCE JAN 1 26.68 34.00 -7.32 27.55  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.7 1985 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 30 22 8 19  
MONTH TO DATE 54 44 10 39  
SINCE DEC 1 54 44 10 39  
SINCE JUL 1 1095 1105 -10 1042  
 
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 3 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 89 900 PM  
AVERAGE 95  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 60 1965  
2015  
MINIMUM TEMPERATURE (F) 38 27 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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