848  
CDUS46 KSEW 140217  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PST WED DEC 13 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 13 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 53 MM 62 1952 41  
MINIMUM 36 MM 16 1919 35  
AVERAGE 45 38  
 
PRECIPITATION (IN)  
TODAY 0.00 2.89 1897 0.00  
MONTH TO DATE 6.22 1.59  
SINCE OCT 1 13.77 9.54  
SINCE JAN 1 32.97 32.62  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE 0.0 0.2  
SINCE OCT 1 0.0 0.4  
SINCE JUL 1 0.0 0.4  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 20 27  
MONTH TO DATE 252 330  
SINCE DEC 1 252 330  
SINCE JUL 1 1128 1238  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
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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