882  
CDUS46 KSEW 130130  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
630 PM PDT THU JUN 12 2025  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 12 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 66 451 PM 95 2019 70 -4 67  
MINIMUM 51 539 AM 38 1952 53 -2 51  
AVERAGE 59 61 -2 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 1953 0.05 -0.05 0.00  
MONTH TO DATE 0.00 0.66 -0.66 1.11  
SINCE OCT 1 27.34 35.37 -8.03 33.41  
SINCE JAN 1 13.94 19.43 -5.49 16.26  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.3 0.3  
SINCE JUL 1 2.3 0.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 4 2 6  
MONTH TO DATE 31 59 -28 64  
SINCE JUN 1 31 59 -28 64  
SINCE JUL 1 4358 4317 41 4236  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 28 12 16 1  
SINCE JUN 1 28 12 16 1  
SINCE JAN 1 31 22 9 8    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
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 77 1200 AM  
LOWEST 50 300 PM  
AVERAGE 64  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 2002  
MINIMUM TEMPERATURE (F) 53 42 1945  
1952  
 
SUNRISE AND SUNSET  
JUNE 12 2025..........SUNRISE 512 AM PDT SUNSET 907 PM PDT  
JUNE 13 2025..........SUNRISE 512 AM PDT SUNSET 907 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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