342  
CDUS46 KSEW 090826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT TUE JUL 09 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 8 2024
 
 
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)  
YESTERDAY  
MAXIMUM 95R 452 PM 95 2010 76 19 74  
MINIMUM 67 447 AM 47 1950 56 11 54  
AVERAGE 81 66 15 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.80 1997 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.20 -0.20 0.00  
SINCE OCT 1 33.28 36.36 -3.08 28.91  
SINCE JAN 1 16.13 20.42 -4.29 14.02  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 2 14 -12 1  
SINCE JUN 1 134 132 2 113  
SINCE JUL 1 2 14 -12 1  
 
COOLING  
YESTERDAY 16 2 14 0  
MONTH TO DATE 56 16 40 35  
SINCE JUN 1 75 45 30 64  
SINCE JAN 1 82 55 27 99    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 500 AM  
LOWEST 16 500 PM  
AVERAGE 38  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 2010  
MINIMUM TEMPERATURE (F) 56 48 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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