682  
CDUS46 KSEW 160217  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PST SUN DEC 15 2024  
   
...............................  
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR DECEMBER 15 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 48 MM 65 1980 53  
MINIMUM 40 MM 18 1924 37  
AVERAGE 44 45  
 
PRECIPITATION (IN)  
TODAY T 1.63 1924 0.00  
MONTH TO DATE 1.72 6.39  
SINCE OCT 1 11.15 13.94  
SINCE JAN 1 34.51 33.14  
 
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 21 20  
MONTH TO DATE 340 292  
SINCE DEC 1 340 292  
SINCE JUL 1 1278 1168  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 342 341    
.................................................  
 
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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