789  
CDUS46 KSEW 110116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT MON JUL 10 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 10 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 357 PM 90 1945 77 -4 75  
MINIMUM 54 338 AM 46 1960 56 -2 58  
AVERAGE 64 66 -2 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 1981 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.24 -0.24 0.16  
SINCE OCT 1 28.91 36.40 -7.49 45.16  
SINCE JAN 1 14.02 20.46 -6.44 25.06  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 8.1 9.2  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 1 1 0 0  
MONTH TO DATE 2 16 -14 14  
SINCE JUN 1 114 134 -20 154  
SINCE JUL 1 2 16 -14 14  
 
COOLING  
TODAY 0 2 -2 2  
MONTH TO DATE 37 20 17 14  
SINCE JUN 1 66 49 17 45  
SINCE JAN 1 101 59 42 45    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 49 300 PM  
AVERAGE 66  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 2007  
MINIMUM TEMPERATURE (F) 56 49 1960  
 
SUNRISE AND SUNSET  
JULY 10 2023..........SUNRISE 523 AM PDT SUNSET 906 PM PDT  
JULY 11 2023..........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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