378  
CDUS46 KSEW 030926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST FRI JAN 03 2025  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 2 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 45 156 PM 56 2003 47 -2 47  
2007  
MINIMUM 38 1237 AM 6 1950 37 1 38  
AVERAGE 42 42 0 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.77 2007 0.20 -0.15 0.24  
MONTH TO DATE 0.09 0.39 -0.30 0.24  
SINCE OCT 1 13.48 16.33 -2.85 17.39  
SINCE JAN 1 0.09 0.39 -0.30 0.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 1965 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 23 23 0 22  
MONTH TO DATE 47 46 1 46  
SINCE DEC 1 691 757 -66 642  
SINCE JUL 1 1732 1818 -86 1645  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 AM  
LOWEST 68 100 PM  
AVERAGE 81  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 62 2020  
MINIMUM TEMPERATURE (F) 37 6 1950  
 
SUNRISE AND SUNSET  
JANUARY 3 2025.......SUNRISE 757 AM PST SUNSET 432 PM PST  
JANUARY 4 2025.......SUNRISE 756 AM PST SUNSET 433 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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