CDUS46 KSEW 190117
CLISEW

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SEATTLE
617 PM PDT MON MAY 18 2026

...................................

...THE SEATTLE WA WFO CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1894 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR     LAST                   
                VALUE   (LST)  VALUE           YEAR                   
.....................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         67        MM  87    1958    61                      
  MINIMUM         45        MM  39    2003    46                      
  AVERAGE         56                          54                   

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.48 2005     0.06                   
                                      2009                           
  MONTH TO DATE    0.38                        1.20                   
  SINCE OCT 1     30.72                       29.46                   
  SINCE JAN 1     14.49                       13.32                   

SNOWFALL (IN)                                                              
  TODAY            0.0                         0.0                    
  MONTH TO DATE    0.0                         0.0                    
  SINCE OCT 1      0.2                         2.6                    
  SINCE JUL 1      0.2                         2.6                    
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            9                          11                      
  MONTH TO DATE  119                         157                      
  SINCE MAR 1    994                        1017                      
  SINCE JUL 1   3551                        3963                      

 COOLING                                                              
  TODAY            0                           0                      
  MONTH TO DATE    3                           0                      
  SINCE MAR 1      3                           0                      
  SINCE JAN 1      3                           0                      
.....................................................


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  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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