758  
CDUS46 KSEW 270928  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PST THU FEB 27 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 26 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 60 502 PM 67 1992 52 8 44  
MINIMUM 34 703 AM 18 1962 38 -4 32  
AVERAGE 47 45 2 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.19 1965 0.13 -0.13 0.05  
MONTH TO DATE 3.48 3.50 -0.02 2.25  
SINCE OCT 1 18.80 25.22 -6.42 25.92  
SINCE JAN 1 5.40 9.28 -3.88 8.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.1 2009 T  
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 18 20 -2 27  
MONTH TO DATE 649 547 102 521  
SINCE DEC 1 2087 1945 142 1836  
SINCE JUL 1 3128 3006 122 2839  
 
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 3 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 800 AM  
LOWEST 36 600 PM  
AVERAGE 64  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 70 1968  
MINIMUM TEMPERATURE (F) 38 20 1962  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2025......SUNRISE 652 AM PST SUNSET 552 PM PST  
FEBRUARY 28 2025......SUNRISE 651 AM PST SUNSET 553 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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