771  
CDUS46 KSEW 130935  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
135 AM PST TUE FEB 13 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 12 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 47 402 PM 66 1963 50 -3 50  
MINIMUM 43 726 PM 21 1949 38 5 32  
AVERAGE 45 44 1 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 1.23 1954 0.14 0.17 0.01  
MONTH TO DATE 1.17 1.75 -0.58 0.94  
SINCE OCT 1 24.63 23.47 1.16 18.92  
SINCE JAN 1 7.48 7.53 -0.05 4.03  
 
SNOWFALL (IN)  
YESTERDAY MM 2.2 2021 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 20 21 -1 24  
MONTH TO DATE 236 257 -21 245  
SINCE DEC 1 1530 1655 -125 1708  
SINCE JUL 1 2533 2716 -183 2658  
 
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 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 900 AM  
LOWEST 85 700 PM  
AVERAGE 91  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 60 2015  
MINIMUM TEMPERATURE (F) 38 18 1949  
 
SUNRISE AND SUNSET  
FEBRUARY 13 2024......SUNRISE 718 AM PST SUNSET 529 PM PST  
FEBRUARY 14 2024......SUNRISE 717 AM PST SUNSET 531 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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