256  
CDUS46 KSEW 010219  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PST FRI FEB 28 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 28 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 60 307 PM 68 1968 52 8 50  
MINIMUM 39 730 AM 24 1951 38 1 41  
1971  
AVERAGE 50 45 5 46  
 
PRECIPITATION (IN)  
TODAY 0.00 2.97 2022 0.13 -0.13 0.95  
MONTH TO DATE 3.48 3.76 -0.28 3.25  
SINCE OCT 1 18.80 25.48 -6.68 26.92  
SINCE JAN 1 5.40 9.54 -4.14 9.77  
 
SNOWFALL (IN)  
TODAY 0.0 7.0 1962 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 15 20 -5 19  
MONTH TO DATE 678 587 91 567  
SINCE DEC 1 2116 1985 131 1882  
SINCE JUL 1 3157 3046 111 2885  
 
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 2 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 55 300 PM  
AVERAGE 78  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 62 1968  
1990  
MINIMUM TEMPERATURE (F) 38 23 1971  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2025......SUNRISE 651 AM PST SUNSET 553 PM PST  
MARCH 1 2025.........SUNRISE 649 AM PST SUNSET 555 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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