192  
CDUS46 KSEW 170215  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
615 PM PST FRI FEB 16 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 16 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 50 1220 PM 59 2015 50 0 45  
MINIMUM 34 524 AM 13 1956 38 -4 34  
AVERAGE 42 44 -2 40  
 
PRECIPITATION (IN)  
TODAY 0.00 1.83 1949 0.12 -0.12 0.00  
MONTH TO DATE 1.45 2.25 -0.80 1.29  
SINCE OCT 1 24.91 23.97 0.94 19.27  
SINCE JAN 1 7.76 8.03 -0.27 4.38  
 
SNOWFALL (IN)  
TODAY MM 3.5 1990 0.0  
MONTH TO DATE T 0.4  
SINCE OCT 1 T 6.3  
SINCE JUL 1 T 6.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 23 21 2 25  
MONTH TO DATE 326 341 -15 353  
SINCE DEC 1 1620 1739 -119 1816  
SINCE JUL 1 2623 2800 -177 2766  
 
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 10 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 500 AM  
LOWEST 28 1200 PM  
AVERAGE 43  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 63 2016  
MINIMUM TEMPERATURE (F) 38 23 1990  
1993  
 
SUNRISE AND SUNSET  
FEBRUARY 16 2024......SUNRISE 713 AM PST SUNSET 534 PM PST  
FEBRUARY 17 2024......SUNRISE 712 AM PST SUNSET 535 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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