789  
CDUS46 KSEW 100117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT TUE JUL 09 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 9 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 98R 403 PM 93 2010 76 22 79  
MINIMUM 64 321 AM 48 1960 56 8 54  
AVERAGE 81 66 15 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.81 1995 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.22 -0.22 0.00  
SINCE OCT 1 33.28 36.38 -3.10 28.91  
SINCE JAN 1 16.13 20.44 -4.31 14.02  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 15 -13 1  
SINCE JUN 1 134 133 1 113  
SINCE JUL 1 2 15 -13 1  
 
COOLING  
TODAY 16 2 14 2  
MONTH TO DATE 72 18 54 37  
SINCE JUN 1 91 47 44 66  
SINCE JAN 1 98 57 41 101    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 600 AM  
LOWEST 15 400 PM  
AVERAGE 42  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 90 1945  
MINIMUM TEMPERATURE (F) 56 46 1960  
 
SUNRISE AND SUNSET  
JULY 9 2024..........SUNRISE 523 AM PDT SUNSET 906 PM PDT  
JULY 10 2024..........SUNRISE 524 AM PDT SUNSET 905 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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