Weather Service Report


728 
CDUS46 KSEW 290831
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
130 AM PDT FRI MAY 29 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 28 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         82    509 PM  92    1983  67     15       66       
  MINIMUM         54    443 AM  38    1954  50      4       50       
  AVERAGE         68                        58     10       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.88 1948   0.07  -0.07      T      
  MONTH TO DATE    0.58                      1.75  -1.17     3.15    
  SINCE OCT 1     32.39                     32.65  -0.26    33.57    
  SINCE JAN 1     16.01                     17.25  -1.24    26.58    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         7     -7        7       
  MONTH TO DATE  178                       263    -85      173       
  SINCE MAR 1   1020                      1277   -257     1062       
  SINCE JUL 1   3523                      4531  -1008     4137       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         0      3        0       
  MONTH TO DATE    5                         0      5       14       
  SINCE MAR 1      5                         0      5       15       
  SINCE JAN 1      5                         0      5       15       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  NW (330)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     36           500 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        85      1973                    
 MINIMUM TEMPERATURE (F)   50        35      1951                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 29 2015...........SUNRISE   518 AM PDT   SUNSET   855 PM PDT   
MAY 30 2015...........SUNRISE   518 AM PDT   SUNSET   856 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