

888 
CDUS46 KSEW 050826
CLISEA

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SEATTLE
126 AM PDT WED AUG 05 2026

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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 4 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         81    434 PM  95    1993  79      2       71       
  MINIMUM         58    612 AM  44    1950  58      0       58       
  AVERAGE         70                        68      2       65     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.61 1962   0.02  -0.02     0.00     
  MONTH TO DATE    T                         0.09  -0.09     0.00     
  SINCE OCT 1     36.35                     36.85  -0.50    27.77     
  SINCE JAN 1     19.57                     20.91  -1.34    14.37     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM                   0.0      
  MONTH TO DATE    0.0                                       0.0      
  SINCE OCT 1      3.0                                       2.3      
  SINCE JUL 1      0.0                                       0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    1                         0      1        1        
  SINCE JUN 1    116                       149    -33      116        
  SINCE JUL 1     21                        31    -10       22        

 COOLING                                                              
  YESTERDAY        5                         4      1        0        
  MONTH TO DATE    5                        16    -11        2        
  SINCE JUN 1    163                       141     22      163        
  SINCE JAN 1    173                       151     22      166        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   N (0)         
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (20)        
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     8.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           500 AM                                      
 LOWEST     39           300 PM                                      
 AVERAGE    60                                                        

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


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   79        93      2012                      
 MINIMUM TEMPERATURE (F)   58        46      1947                      


SUNRISE AND SUNSET                                                    
AUGUST  5 2026........SUNRISE   553 AM PDT   SUNSET   837 PM PDT     
AUGUST  6 2026........SUNRISE   554 AM PDT   SUNSET   835 PM PDT     


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




$$

