225  
CDUS46 KSEW 250826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT THU JUL 25 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 24 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 77 330 PM 95 2004 79 -2 73  
MINIMUM 54 538 AM 43 1953 58 -4 57  
AVERAGE 66 68 -2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.28 1991 0.01 -0.01 0.09  
MONTH TO DATE T 0.48 -0.48 0.09  
SINCE OCT 1 33.28 36.64 -3.36 29.00  
SINCE JAN 1 16.13 20.70 -4.57 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 0 1 -1 0  
MONTH TO DATE 4 30 -26 2  
SINCE JUN 1 136 148 -12 114  
SINCE JUL 1 4 30 -26 2  
 
COOLING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 152 68 84 103  
SINCE JUN 1 171 97 74 132  
SINCE JAN 1 178 107 71 167    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 600 AM  
LOWEST 40 400 PM  
AVERAGE 59  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1988  
MINIMUM TEMPERATURE (F) 58 47 1954  
 
SUNRISE AND SUNSET  
JULY 25 2024..........SUNRISE 539 AM PDT SUNSET 851 PM PDT  
JULY 26 2024..........SUNRISE 541 AM PDT SUNSET 850 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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