990  
CDUS46 KSEW 310222  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
622 PM PST THU JAN 30 2025  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 30 2025...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 333 PM 61 2024 49 -6 61  
MINIMUM 32 539 AM 7 1950 38 -6 51  
AVERAGE 38 43 -5 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.00 1952 0.17 -0.17 0.02  
MONTH TO DATE 1.04 5.61 -4.57 6.40  
SINCE OCT 1 14.44 21.55 -7.11 23.55  
SINCE JAN 1 1.04 5.61 -4.57 6.40  
 
SNOWFALL (IN)  
TODAY 0.0 3.0 1974 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  
TODAY 27 22 5 9  
MONTH TO DATE 772 668 104 709  
SINCE DEC 1 1418 1379 39 1305  
SINCE JUL 1 2459 2440 19 2308  
 
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 8 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 70 300 PM  
AVERAGE 81  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 61 1960  
MINIMUM TEMPERATURE (F) 38 0 1950  
 
SUNRISE AND SUNSET  
JANUARY 30 2025.......SUNRISE 737 AM PST SUNSET 508 PM PST  
JANUARY 31 2025.......SUNRISE 736 AM PST SUNSET 510 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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