Weather Service Report


354 
CDUS46 KSEW 270828
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
127 AM PDT SAT AUG 27 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 26 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         92R   356 PM  91    1986  75     17       83       
  MINIMUM         64    511 AM  46    1957  55      9       57       
  AVERAGE         78                        65     13       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.67 1977   0.04  -0.04     0.00    
  MONTH TO DATE    0.16                      0.69  -0.53     1.58    
  SINCE OCT 1     48.11                     35.80  12.31    34.29    
  SINCE JAN 1     23.72                     20.40   3.32    17.91    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    6                        26    -20        5       
  SINCE JUN 1    108                       219   -111       36       
  SINCE JUL 1     17                        75    -58        7       
                                                                     
 COOLING                                                             
  YESTERDAY       13                         2     11        5       
  MONTH TO DATE  131                        66     65      123       
  SINCE JUN 1    260                       158    102      444       
  SINCE JAN 1    286                       164    122      451       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     4.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    67           400 AM                                     
 LOWEST     20           400 PM                                     
 AVERAGE    44                                                       

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

                                                                     
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        88      2009                    
                                             1994                    
                                             1986                    
 MINIMUM TEMPERATURE (F)   55        44      1952                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 27 2016........SUNRISE   622 AM PDT   SUNSET   758 PM PDT   
AUGUST 28 2016........SUNRISE   623 AM PDT   SUNSET   756 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