792  
CDUS46 KSEW 300833  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
133 AM PDT TUE JUL 30 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 29 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 69 1256 PM 103 2009 79 -10 77  
MINIMUM 58 654 AM 45 1954 58 0 56  
AVERAGE 64 68 -4 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.17 1993 0.01 0.12 0.00  
MONTH TO DATE 0.13 0.56 -0.43 0.09  
SINCE OCT 1 33.41 36.72 -3.31 29.00  
SINCE JAN 1 16.26 20.78 -4.52 14.11  
 
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 1 1 0 0  
MONTH TO DATE 7 35 -28 2  
SINCE JUN 1 139 153 -14 114  
SINCE JUL 1 7 35 -28 2  
 
COOLING  
YESTERDAY 0 4 -4 2  
MONTH TO DATE 155 88 67 113  
SINCE JUN 1 174 117 57 142  
SINCE JAN 1 181 127 54 177    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 PM  
LOWEST 70 200 PM  
AVERAGE 82  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 96 2009  
MINIMUM TEMPERATURE (F) 58 48 1951  
 
SUNRISE AND SUNSET  
JULY 30 2024..........SUNRISE 546 AM PDT SUNSET 845 PM PDT  
JULY 31 2024..........SUNRISE 547 AM PDT SUNSET 843 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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