312  
CDUS46 KSEW 200832  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
132 AM PDT TUE MAY 20 2025  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR MAY 19 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 88 1961 63  
MINIMUM MM MM 39 1901 45  
AVERAGE MM 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 0.73 1930 0.55  
MONTH TO DATE 1.37 1.19  
SINCE OCT 1 29.63 32.77  
SINCE JAN 1 13.49 16.39  
 
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 MM 11  
MONTH TO DATE 157 163  
SINCE MAR 1 1017 1114  
SINCE JUL 1 3963 3881  
 
COOLING  
YESTERDAY MM 0  
MONTH TO DATE 0 4  
SINCE MAR 1 0 4  
SINCE JAN 1 0 4    
.................................................
 
 
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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