141  
CDUS46 KSEW 180826  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI APR 18 2025  
   
...............................  
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR APRIL 17 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 63 MM 78 1939 58  
MINIMUM 41 MM 34 1896 34  
1972  
AVERAGE 52 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1908 0.00  
MONTH TO DATE 1.61 1.07  
SINCE OCT 1 27.65 30.23  
SINCE JAN 1 11.51 13.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 2.6 T  
SINCE JUL 1 2.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 19  
MONTH TO DATE 216 260  
SINCE MAR 1 719 792  
SINCE JUL 1 3665 3559  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
.................................................  
 
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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