126  
CDUS46 KSEW 290826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT MON JUL 29 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 28 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 69 445 PM 97 1958 79 -10 79  
1998  
2009  
MINIMUM 56 207 AM 47 1953 58 -2 56  
AVERAGE 63 68 -5 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1993 0.02 -0.02 0.00  
MONTH TO DATE T 0.55 -0.55 0.09  
SINCE OCT 1 33.28 36.71 -3.43 29.00  
SINCE JAN 1 16.13 20.77 -4.64 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 2 1 1 0  
MONTH TO DATE 6 34 -28 2  
SINCE JUN 1 138 152 -14 114  
SINCE JUL 1 6 34 -28 2  
 
COOLING  
YESTERDAY 0 4 -4 3  
MONTH TO DATE 155 84 71 111  
SINCE JUN 1 174 113 61 140  
SINCE JAN 1 181 123 58 175    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 400 AM  
LOWEST 55 100 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 103 2009  
MINIMUM TEMPERATURE (F) 58 45 1954  
 
SUNRISE AND SUNSET  
JULY 29 2024..........SUNRISE 544 AM PDT SUNSET 846 PM PDT  
JULY 30 2024..........SUNRISE 546 AM PDT SUNSET 845 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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