Weather Service Report


575 
CDUS46 KSEW 280827
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
127 AM PDT THU AUG 28 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 27 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         84    441 PM  88    2009  75      9       80       
                                      1994                          
                                      1986                          
  MINIMUM         61    527 AM  44    1952  55      6       63       
  AVERAGE         73                        65      8       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.76 1951   0.04  -0.04     0.05    
  MONTH TO DATE    1.43                      0.73   0.70     0.37    
  SINCE OCT 1     36.50                     35.84   0.66    40.26    
  SINCE JAN 1     29.51                     20.44   9.07    18.42    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    5                        27    -22        6       
  SINCE JUN 1    113                       220   -107       64       
  SINCE JUL 1     19                        76    -57       15       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         2      6        7       
  MONTH TO DATE  143                        68     75      135       
  SINCE JUN 1    306                       160    146      297       
  SINCE JAN 1    321                       166    155      310       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     3.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           400 AM                                     
 LOWEST     34           400 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        95      1967                    
 MINIMUM TEMPERATURE (F)   55        46      1952                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 28 2014........SUNRISE   623 AM PDT   SUNSET   757 PM PDT   
AUGUST 29 2014........SUNRISE   624 AM PDT   SUNSET   755 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