434  
CDUS46 KSEW 010827  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT TUE OCT 01 2024  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 30 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1894 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 MM 81 1957 63  
MINIMUM 46 MM 40 2019 44  
AVERAGE 58 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 1953 0.00  
MONTH TO DATE 1.02 3.69  
SINCE OCT 1 39.74 34.21  
SINCE JAN 1 23.36 19.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 T 2.6  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 11  
MONTH TO DATE 79 101  
SINCE SEP 1 79 101  
SINCE JUL 1 106 106  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 53 23  
SINCE SEP 1 53 23  
SINCE JAN 1 342 341    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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