147  
CDUS46 KSEW 240927  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST FRI JAN 24 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 23 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 251 PM 56 2001 49 -7 52  
2005  
MINIMUM 26 515 AM 16 1949 38 -12 43  
AVERAGE 34 43 -9 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1959 0.18 -0.18 0.01  
MONTH TO DATE 1.04 4.38 -3.34 4.19  
SINCE OCT 1 14.43 20.32 -5.89 21.34  
SINCE JAN 1 1.04 4.38 -3.34 4.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1952 0.0  
MONTH TO DATE 0.0 T  
SINCE OCT 1 0.0 T  
SINCE JUL 1 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 22 9 17  
MONTH TO DATE 578 514 64 618  
SINCE DEC 1 1224 1225 -1 1214  
SINCE JUL 1 2265 2286 -21 2217  
 
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 NE (30)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 300 AM  
LOWEST 65 1200 PM  
AVERAGE 79  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 58 1995  
2015  
MINIMUM TEMPERATURE (F) 38 10 1950  
 
SUNRISE AND SUNSET  
JANUARY 24 2025.......SUNRISE 744 AM PST SUNSET 459 PM PST  
JANUARY 25 2025.......SUNRISE 743 AM PST SUNSET 501 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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