281  
CDUS46 KSEW 220827  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT MON SEP 22 2025  
   
...............................  
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 21 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1894 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
.................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 MM 89 1952 73  
MINIMUM 57 MM 36 1895 49  
AVERAGE 64 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.63 1.58 1972 0.00  
MONTH TO DATE 0.68 0.41  
SINCE OCT 1 32.41 39.13  
SINCE JAN 1 16.27 22.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.6 T  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 4  
MONTH TO DATE 11 40  
SINCE SEP 1 11 40  
SINCE JUL 1 20 67  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 48 43  
SINCE SEP 1 48 43  
SINCE JAN 1 372 332    
.................................................  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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