803  
CDUS46 KSEW 270928  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PST TUE FEB 27 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 26 2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 137 PM 67 1992 52 -8 46  
MINIMUM 32 1054 PM 18 1962 38 -6 32  
AVERAGE 38 45 -7 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.19 1965 0.13 -0.08 0.28  
MONTH TO DATE 2.25 3.50 -1.25 2.17  
SINCE OCT 1 25.71 25.22 0.49 20.15  
SINCE JAN 1 8.56 9.28 -0.72 5.26  
 
SNOWFALL (IN)  
YESTERDAY T 2.1 2009 1.6  
MONTH TO DATE T 2.2  
SINCE OCT 1 T 8.1  
SINCE JUL 1 T 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 20 7 26  
MONTH TO DATE 521 547 -26 619  
SINCE DEC 1 1815 1945 -130 2082  
SINCE JUL 1 2818 3006 -188 3032  
 
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 6 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 PM  
LOWEST 62 200 PM  
AVERAGE 75  
   
......................................................
 
 
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 2024......SUNRISE 654 AM PST SUNSET 551 PM PST  
FEBRUARY 28 2024......SUNRISE 652 AM PST SUNSET 552 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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