667  
CDUS46 KSEW 280216  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PST THU FEB 27 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 27 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 63 408 PM 70 1968 52 11 46  
MINIMUM 39 327 AM 20 1962 38 1 29  
AVERAGE 51 45 6 38  
 
PRECIPITATION (IN)  
TODAY 0.00 2.23 1972 0.13 -0.13 0.05  
MONTH TO DATE 3.48 3.63 -0.15 2.30  
SINCE OCT 1 18.80 25.35 -6.55 25.97  
SINCE JAN 1 5.40 9.41 -4.01 8.82  
 
SNOWFALL (IN)  
TODAY 0.0 1.5 1971 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  
TODAY 14 20 -6 27  
MONTH TO DATE 663 567 96 548  
SINCE DEC 1 2101 1965 136 1863  
SINCE JUL 1 3142 3026 116 2866  
 
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 4 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 400 AM  
LOWEST 38 300 PM  
AVERAGE 65  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 68 1968  
MINIMUM TEMPERATURE (F) 38 24 1951  
1971  
 
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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