807  
CDUS46 KSEW 190116  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT SUN MAY 18 2025  
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR MAY 18 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 MM 87 1958 57  
MINIMUM 46 MM 39 2003 48  
AVERAGE 54 53  
 
PRECIPITATION (IN)  
TODAY T 0.48 2005 0.19  
2009  
MONTH TO DATE 1.14 0.64  
SINCE OCT 1 29.40 32.22  
SINCE JAN 1 13.26 15.84  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 11 12  
MONTH TO DATE 157 152  
SINCE MAR 1 1017 1103  
SINCE JUL 1 3963 3870  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 4  
SINCE MAR 1 0 4  
SINCE JAN 1 0 4    
.................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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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