826  
CDUS46 KSEW 270117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT MON AUG 26 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 26 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 71 410 PM 92 2016 76 -5 88  
MINIMUM 55 325 AM 46 1957 57 -2 59  
AVERAGE 63 66 -3 74  
 
PRECIPITATION (IN)  
TODAY T 0.67 1977 0.04 -0.04 0.00  
MONTH TO DATE 1.52 0.77 0.75 0.12  
SINCE OCT 1 34.96 37.53 -2.57 29.12  
SINCE JAN 1 17.81 21.59 -3.78 14.23  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 2 1 1 0  
MONTH TO DATE 21 19 2 3  
SINCE JUN 1 160 168 -8 117  
SINCE JUL 1 28 50 -22 5  
 
COOLING  
TODAY 0 2 -2 9  
MONTH TO DATE 69 88 -19 160  
SINCE JUN 1 252 213 39 308  
SINCE JAN 1 259 223 36 343    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 500 AM  
LOWEST 57 400 PM  
AVERAGE 74  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 88 1986  
1994  
2009  
MINIMUM TEMPERATURE (F) 56 44 1952  
 
SUNRISE AND SUNSET  
AUGUST 26 2024........SUNRISE 621 AM PDT SUNSET 800 PM PDT  
AUGUST 27 2024........SUNRISE 622 AM PDT SUNSET 758 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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