804  
CDUS46 KSEW 290826  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 28 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1894 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 MM 88 2017 67  
MINIMUM 52 MM 40 1919 55  
AVERAGE 57 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 1.31 2013 0.03  
MONTH TO DATE 2.73 0.13  
SINCE OCT 1 33.25 40.11  
SINCE JAN 1 18.24 23.08  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.6 5.3  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 4  
MONTH TO DATE 69 21  
SINCE SEP 1 69 21  
SINCE JUL 1 74 40  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 23 45  
SINCE SEP 1 23 45  
SINCE JAN 1 341 395    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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