445  
CDUS46 KSEW 240217  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PST FRI FEB 23 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 23 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 52 351 PM 61 1958 51 1 35  
1983  
MINIMUM 35 730 AM 23 2022 38 -3 26  
AVERAGE 44 44 0 31  
 
PRECIPITATION (IN)  
TODAY 0.00 1.16 1986 0.12 -0.12 T  
MONTH TO DATE 2.03 3.12 -1.09 1.87  
SINCE OCT 1 25.49 24.84 0.65 19.85  
SINCE JAN 1 8.34 8.90 -0.56 4.96  
 
SNOWFALL (IN)  
TODAY 0.0 3.0 1956 T  
MONTH TO DATE T 0.6  
SINCE OCT 1 T 6.5  
SINCE JUL 1 T 6.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 20 1 34  
MONTH TO DATE 454 487 -33 527  
SINCE DEC 1 1748 1885 -137 1990  
SINCE JUL 1 2751 2946 -195 2940  
 
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 3 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 900 AM  
LOWEST 68 300 PM  
AVERAGE 83  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 62 1949  
MINIMUM TEMPERATURE (F) 38 22 2023  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2024......SUNRISE 701 AM PST SUNSET 545 PM PST  
FEBRUARY 24 2024......SUNRISE 659 AM PST SUNSET 546 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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