447  
CDUS46 KSEW 160826  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 15 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 85 MM 92 1967 69  
MINIMUM 52 MM 45 1901 58  
1921  
1992  
AVERAGE 69 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.82 1896 0.00  
MONTH TO DATE 0.11 0.10  
SINCE OCT 1 30.63 40.08  
SINCE JAN 1 15.62 23.05  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.6 5.3  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1  
MONTH TO DATE 13 4  
SINCE SEP 1 13 4  
SINCE JUL 1 18 23  
 
COOLING  
YESTERDAY 4 0  
MONTH TO DATE 23 41  
SINCE SEP 1 23 41  
SINCE JAN 1 341 391    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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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