157  
CDUS46 KSEW 260223  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
623 PM PST TUE FEB 25 2025  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 25 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 50 428 PM 64 1992 51 -1 50  
MINIMUM 44 552 AM 20 2011 38 6 38  
AVERAGE 47 45 2 44  
 
PRECIPITATION (IN)  
TODAY 0.27 0.98 1948 0.13 0.14 0.17  
MONTH TO DATE 3.48 3.37 0.11 2.20  
SINCE OCT 1 18.80 25.09 -6.29 25.87  
SINCE JAN 1 5.40 9.15 -3.75 8.72  
 
SNOWFALL (IN)  
TODAY 0.0 T 1994 0.0  
2009  
2023  
MONTH TO DATE 2.3 T  
SINCE OCT 1 2.3 T  
SINCE JUL 1 2.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 20 -2 21  
MONTH TO DATE 630 527 103 494  
SINCE DEC 1 2068 1925 143 1809  
SINCE JUL 1 3109 2986 123 2812  
 
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 22 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 22.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 PM  
LOWEST 71 1200 AM  
AVERAGE 84  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 67 1992  
MINIMUM TEMPERATURE (F) 38 18 1962  
 
SUNRISE AND SUNSET  
FEBRUARY 25 2025......SUNRISE 656 AM PST SUNSET 549 PM PST  
FEBRUARY 26 2025......SUNRISE 654 AM PST SUNSET 550 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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