842  
CDUS46 KSEW 140116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SUN JUL 13 2025  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 13 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 90 343 PM 93 1961 77 13 88  
MINIMUM 64 454 AM 50 1968 57 7 60  
2001  
2010  
AVERAGE 77 67 10 74  
 
PRECIPITATION (IN)  
TODAY 0.00 0.85 1981 0.01 -0.01 0.00  
MONTH TO DATE T 0.30 -0.30 0.00  
SINCE OCT 1 27.76 36.46 -8.70 33.49  
SINCE JAN 1 14.36 20.52 -6.16 16.34  
 
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 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 5 19 -14 2  
SINCE JUN 1 99 137 -38 134  
SINCE JUL 1 5 19 -14 2  
 
COOLING  
TODAY 12 3 9 9  
MONTH TO DATE 54 29 25 101  
SINCE JUN 1 96 58 38 120  
SINCE JAN 1 99 68 31 127    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 500 AM  
LOWEST 34 300 PM  
AVERAGE 56  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 91 1996  
MINIMUM TEMPERATURE (F) 57 50 1982  
 
SUNRISE AND SUNSET  
JULY 13 2025..........SUNRISE 526 AM PDT SUNSET 903 PM PDT  
JULY 14 2025..........SUNRISE 527 AM PDT SUNSET 903 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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