267  
CDUS46 KSEW 250931  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
131 AM PST TUE FEB 25 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 24 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 52 415 PM 62 1949 51 1 50  
MINIMUM 43 634 AM 22 2023 38 5 41  
AVERAGE 48 45 3 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.45 1.55 1961 0.12 0.33 T  
MONTH TO DATE 3.21 3.24 -0.03 2.03  
SINCE OCT 1 18.53 24.96 -6.43 25.70  
SINCE JAN 1 5.13 9.02 -3.89 8.55  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.7 1994 0.0  
MONTH TO DATE 2.3 T  
SINCE OCT 1 2.3 T  
SINCE JUL 1 2.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 20 -3 19  
MONTH TO DATE 612 507 105 473  
SINCE DEC 1 2050 1905 145 1788  
SINCE JUL 1 3091 2966 125 2791  
 
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 9 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 PM  
LOWEST 63 1000 PM  
AVERAGE 77  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 64 1992  
MINIMUM TEMPERATURE (F) 38 20 2011  
 
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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