825  
CDUS46 KSEW 120928  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PST MON FEB 12 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 11 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 52 313 PM 62 1963 50 2 48  
MINIMUM 42 723 AM 23 1948 38 4 38  
AVERAGE 47 44 3 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 1.22 2019 0.14 0.15 0.00  
MONTH TO DATE 0.86 1.61 -0.75 0.93  
SINCE OCT 1 24.32 23.33 0.99 18.91  
SINCE JAN 1 7.17 7.39 -0.22 4.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.1 2019 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 T 5.9  
SINCE JUL 1 T 5.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 21 -3 22  
MONTH TO DATE 216 236 -20 221  
SINCE DEC 1 1510 1634 -124 1684  
SINCE JUL 1 2513 2695 -182 2634  
 
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 (180)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 700 AM  
LOWEST 70 1200 AM  
AVERAGE 81  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 66 1963  
MINIMUM TEMPERATURE (F) 38 21 1949  
 
SUNRISE AND SUNSET  
FEBRUARY 12 2024......SUNRISE 720 AM PST SUNSET 528 PM PST  
FEBRUARY 13 2024......SUNRISE 718 AM PST SUNSET 529 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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