933  
CDUS46 KSEW 030121  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
621 PM PDT MON SEP 02 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 2 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 70 133 PM 98 1988 75 -5 87  
MINIMUM 59 721 AM 41 1960 56 3 58  
AVERAGE 65 66 -1 73  
 
PRECIPITATION (IN)  
TODAY T 0.71 1979 0.04 -0.04 0.00  
MONTH TO DATE T 0.08 -0.08 0.00  
SINCE OCT 1 35.10 37.81 -2.71 29.27  
SINCE JAN 1 17.95 21.87 -3.92 14.38  
 
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 0 2 -2 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 0 4 -4 0  
SINCE JUL 1 36 59 -23 12  
 
COOLING  
TODAY 0 2 -2 8  
MONTH TO DATE 7 4 3 12  
SINCE SEP 1 7 4 3 12  
SINCE JAN 1 280 237 43 364    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 63 200 PM  
AVERAGE 80  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1988  
MINIMUM TEMPERATURE (F) 56 45 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2024.....SUNRISE 630 AM PDT SUNSET 746 PM PDT  
SEPTEMBER 3 2024.....SUNRISE 632 AM PDT SUNSET 744 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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