763  
CDUS46 KSEW 170218  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PST THU JAN 16 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 16 2025...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 431 PM 56 2018 48 -5 36  
MINIMUM 33 358 AM 13 1950 38 -5 22  
AVERAGE 38 43 -5 29  
 
PRECIPITATION (IN)  
TODAY 0.01 1.78 1958 0.19 -0.18 0.07  
MONTH TO DATE 1.02 3.06 -2.04 2.35  
SINCE OCT 1 14.41 19.00 -4.59 19.50  
SINCE JAN 1 1.02 3.06 -2.04 2.35  
 
SNOWFALL (IN)  
TODAY 0.0 3.5 1954 0.0  
MONTH TO DATE 0.0 T  
SINCE OCT 1 0.0 T  
SINCE JUL 1 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 22 5 36  
MONTH TO DATE 372 360 12 461  
SINCE DEC 1 1018 1071 -53 1057  
SINCE JUL 1 2059 2132 -73 2060  
 
COOLING  
TODAY 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 S (160)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 82 200 PM  
AVERAGE 91  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 58 1946  
MINIMUM TEMPERATURE (F) 38 15 1950  
 
SUNRISE AND SUNSET  
JANUARY 16 2025.......SUNRISE 751 AM PST SUNSET 448 PM PST  
JANUARY 17 2025.......SUNRISE 750 AM PST SUNSET 449 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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