674  
CDUS46 KSEW 190123  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
623 PM PDT WED OCT 18 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR OCTOBER 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 71 MM 74 1940 71  
MINIMUM 53 MM 31 1905 48  
AVERAGE 62 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.92 1947 0.00  
MONTH TO DATE 2.03 0.00  
SINCE OCT 1 2.03 0.00  
SINCE JAN 1 21.23 23.08  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 3 5  
MONTH TO DATE 98 44  
SINCE SEP 1 199 68  
SINCE JUL 1 204 87  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 11  
SINCE SEP 1 23 56  
SINCE JAN 1 341 406    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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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