593  
CDUS46 KSEW 170217  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PST TUE JAN 16 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 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 36 123 PM 56 2018 48 -12 50  
MINIMUM 26 746 AM 13 1950 38 -12 40  
AVERAGE 31 43 -12 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.78 1958 0.19 -0.19 0.00  
MONTH TO DATE 2.14 3.06 -0.92 2.46  
SINCE OCT 1 19.29 19.00 0.29 17.35  
SINCE JAN 1 2.14 3.06 -0.92 2.46  
 
SNOWFALL (IN)  
TODAY 0.0 3.5 1954 0.0  
MONTH TO DATE T 0.0  
SINCE OCT 1 T 5.8  
SINCE JUL 1 T 5.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 22 12 20  
MONTH TO DATE 438 360 78 283  
SINCE DEC 1 1034 1071 -37 1088  
SINCE JUL 1 2037 2132 -95 2038  
 
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 E (110)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 400 PM  
LOWEST 31 1100 AM  
AVERAGE 40  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 58 1946  
MINIMUM TEMPERATURE (F) 38 15 1950  
 
SUNRISE AND SUNSET  
JANUARY 16 2024.......SUNRISE 752 AM PST SUNSET 447 PM PST  
JANUARY 17 2024.......SUNRISE 751 AM PST SUNSET 448 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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