927  
CDUS46 KSEW 220219  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PST WED FEB 21 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 21 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 51 416 PM 67 1973 51 0 44  
MINIMUM 45 753 AM 25 1957 38 7 35  
AVERAGE 48 44 4 40  
 
PRECIPITATION (IN)  
TODAY 0.27 0.97 1949 0.12 0.15 0.06  
MONTH TO DATE 1.92 2.88 -0.96 1.85  
SINCE OCT 1 25.38 24.60 0.78 19.83  
SINCE JAN 1 8.23 8.66 -0.43 4.94  
 
SNOWFALL (IN)  
TODAY 0.0 T 1993 T  
2022  
2023  
MONTH TO DATE T 0.4  
SINCE OCT 1 T 6.3  
SINCE JUL 1 T 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 17 21 -4 25  
MONTH TO DATE 417 446 -29 462  
SINCE DEC 1 1711 1844 -133 1925  
SINCE JUL 1 2714 2905 -191 2875  
 
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 6 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 AM  
LOWEST 77 1100 AM  
AVERAGE 84  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 64 1966  
MINIMUM TEMPERATURE (F) 38 26 2018  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2024......SUNRISE 705 AM PST SUNSET 542 PM PST  
FEBRUARY 22 2024......SUNRISE 703 AM PST SUNSET 543 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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