433  
CDUS46 KSEW 280926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST WED FEB 28 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 27 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 46 1159 PM 70 1968 52 -6 42  
MINIMUM 29 320 AM 20 1962 38 -9 32  
AVERAGE 38 45 -7 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 2.23 1972 0.13 -0.08 0.15  
MONTH TO DATE 2.30 3.63 -1.33 2.32  
SINCE OCT 1 25.76 25.35 0.41 20.30  
SINCE JAN 1 8.61 9.41 -0.80 5.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 1971 T  
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 28  
MONTH TO DATE 548 567 -19 647  
SINCE DEC 1 1842 1965 -123 2110  
SINCE JUL 1 2845 3026 -181 3060  
 
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 7 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 300 AM  
LOWEST 69 1200 AM  
AVERAGE 77  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 68 1968  
MINIMUM TEMPERATURE (F) 38 24 1951  
1971  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2024......SUNRISE 652 AM PST SUNSET 552 PM PST  
FEBRUARY 29 2024......SUNRISE 650 AM PST SUNSET 554 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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