220  
CDUS46 KSEW 170827  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT TUE OCT 17 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR OCTOBER 16 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 64 MM 88 2022 88  
MINIMUM 52 MM 37 1946 56  
AVERAGE 58 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.49 1.20 1918 0.00  
MONTH TO DATE 1.97 0.00  
SINCE OCT 1 1.97 0.00  
SINCE JAN 1 21.17 23.08  
 
SNOWFALL (IN)  
YESTERDAY 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 0  
MONTH TO DATE 87 34  
SINCE SEP 1 188 58  
SINCE JUL 1 193 77  
 
COOLING  
YESTERDAY 0 7  
MONTH TO DATE 0 11  
SINCE SEP 1 23 56  
SINCE JAN 1 341 406    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
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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