Weather Service Report


011 
CDUS46 KSEW 300827
CLISEA

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SEATTLE
127 AM PDT THU MAY 30 2024

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 29 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         63    300 PM  85    1973  69     -6       68       
  MINIMUM         48    304 AM  35    1951  51     -3       48       
  AVERAGE         56                        60     -4       58     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.11          1.83 1969   0.06   0.05     0.00     
  MONTH TO DATE    1.54                      1.77  -0.23     0.93     
  SINCE OCT 1     32.09                     34.60  -2.51    27.69     
  SINCE JAN 1     14.94                     18.66  -3.72    12.80     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM                   0.0      
  MONTH TO DATE    0.0                                       0.0      
  SINCE OCT 1      0.3                                       8.1      
  SINCE JUL 1      0.3                                       8.1      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        9                         6      3        7        
  MONTH TO DATE  278                       230     48      139        
  SINCE MAR 1   1247                      1199     48     1217        
  SINCE JUL 1   4137                      4246   -109     4304        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    7                         0      7       35        
  SINCE MAR 1      7                         1      6       35        
  SINCE JAN 1      7                         1      6       35        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (190)       
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SW (210)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     N (340)       
  AVERAGE WIND SPEED     8.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  RAIN                                                                
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           500 AM                                      
 LOWEST     51           300 PM                                      
 AVERAGE    69                                                        

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        87      1956                      
                                             2007                     
 MINIMUM TEMPERATURE (F)   51        36      1951                      


SUNRISE AND SUNSET                                                    
MAY 30 2024...........SUNRISE   517 AM PDT   SUNSET   857 PM PDT     
MAY 31 2024...........SUNRISE   516 AM PDT   SUNSET   858 PM PDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$

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Western Regional Climate Center, wrcc@dri.edu