541  
CDUS46 KSEW 140221  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
621 PM PST SAT JAN 13 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 13 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 22 459 PM 58 2018 48 -26 54  
MINIMUM 15 753 AM 11 1950 38 -23 47  
AVERAGE 19 43 -24 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.63 1970 0.19 -0.19 0.43  
MONTH TO DATE 2.14 2.49 -0.35 1.98  
SINCE OCT 1 19.29 18.43 0.86 16.87  
SINCE JAN 1 2.14 2.49 -0.35 1.98  
 
SNOWFALL (IN)  
TODAY 0.0 20.0 1950 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 46 22 24 14  
MONTH TO DATE 329 294 35 233  
SINCE DEC 1 925 1005 -80 1038  
SINCE JUL 1 1928 2066 -138 1988  
 
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 12 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 48 800 AM  
LOWEST 34 1200 PM  
AVERAGE 41  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 59 1968  
MINIMUM TEMPERATURE (F) 38 8 1950  
 
SUNRISE AND SUNSET  
JANUARY 13 2024.......SUNRISE 753 AM PST SUNSET 443 PM PST  
JANUARY 14 2024.......SUNRISE 753 AM PST SUNSET 444 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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