019  
CDUS46 KSEW 190833  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
133 AM PDT SAT AUG 19 2023  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR AUGUST 18 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 75 MM 89 1940 88  
MINIMUM 59 MM 47 1895 69  
AVERAGE 67 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.25 1975 0.00  
MONTH TO DATE 0.14 0.02  
SINCE OCT 1 30.18 39.93  
SINCE JAN 1 15.17 22.90  
 
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 0  
MONTH TO DATE 0 3  
SINCE JUN 1 110 138  
SINCE JUL 1 2 18  
 
COOLING  
YESTERDAY 2 14  
MONTH TO DATE 124 87  
SINCE JUN 1 265 266  
SINCE JAN 1 286 266    
.................................................
 
 
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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