502  
CDUS46 KSEW 110116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT TUE JUN 10 2025  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 10 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 81 431 PM 83 1982 70 11 70  
1986  
MINIMUM 53 508 AM 43 1946 52 1 50  
AVERAGE 67 61 6 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.88 1983 0.06 -0.06 0.01  
MONTH TO DATE 0.00 0.56 -0.56 1.11  
SINCE OCT 1 27.34 35.27 -7.93 33.41  
SINCE JAN 1 13.94 19.33 -5.39 16.26  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 5  
MONTH TO DATE 20 51 -31 53  
SINCE JUN 1 20 51 -31 53  
SINCE JUL 1 4347 4309 38 4225  
 
COOLING  
TODAY 2 1 1 0  
MONTH TO DATE 28 10 18 1  
SINCE JUN 1 28 10 18 1  
SINCE JAN 1 31 20 11 8    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 30 300 PM  
AVERAGE 58  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2019  
MINIMUM TEMPERATURE (F) 52 40 1952  
 
SUNRISE AND SUNSET  
JUNE 10 2025..........SUNRISE 512 AM PDT SUNSET 906 PM PDT  
JUNE 11 2025..........SUNRISE 512 AM PDT SUNSET 906 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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