873  
CDUS46 KSEW 180830  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
130 AM PDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR JULY 17 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 79 MM 91 1941 70  
MINIMUM 60 MM 50 1919 58  
AVERAGE 70 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.66 1974 0.00  
MONTH TO DATE 0.02 0.16  
SINCE OCT 1 29.89 39.88  
SINCE JAN 1 14.88 22.85  
 
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 1 15  
SINCE JUN 1 109 135  
SINCE JUL 1 1 15  
 
COOLING  
YESTERDAY 5 0  
MONTH TO DATE 70 37  
SINCE JUN 1 94 62  
SINCE JAN 1 115 62    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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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