155  
CDUS46 KSEW 100220  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
620 PM PST SAT DEC 09 2023  
   
...............................  
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 9 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 42 MM 61 2014 45  
MINIMUM 35 MM 17 2009 37  
AVERAGE 39 41  
 
PRECIPITATION (IN)  
TODAY 0.38 2.05 1895 0.58  
MONTH TO DATE 5.94 1.10  
SINCE OCT 1 13.49 9.05  
SINCE JAN 1 32.69 32.13  
 
SNOWFALL (IN)  
TODAY MM 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 26 24  
MONTH TO DATE 174 236  
SINCE DEC 1 174 236  
SINCE JUL 1 1050 1144  
 
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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