Weather Service Report


582 
CDUS46 KSEW 290833
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
133 AM PDT FRI APR 29 2016


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 28 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         63    227 PM  76    1968  61      2       60       
  MINIMUM         50    735 AM  31    1955  44      6       48       
  AVERAGE         57                        52      5       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.44 1978   0.07  -0.07     0.07    
  MONTH TO DATE    1.18                      2.57  -1.39     2.03    
  SINCE OCT 1     44.51                     30.76  13.75    31.81    
  SINCE JAN 1     20.12                     15.36   4.76    15.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1986                   0.0     
  MONTH TO DATE    0.0                                       0.0     
  SINCE OCT 1      T                                         0.8     
  SINCE JUL 1      T                                         0.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                        13     -5       11       
  MONTH TO DATE  236                       415   -179      379       
  SINCE MAR 1    713                       989   -276      820       
  SINCE JUL 1   3557                      4243   -686     3323       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   14                         0     14        0       
  SINCE MAR 1     14                         0     14        0       
  SINCE JAN 1     14                         0     14        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     5.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           500 AM                                     
 LOWEST     49           400 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        80      1976                    
 MINIMUM TEMPERATURE (F)   44        31      1952                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 29 2016.........SUNRISE   555 AM PDT   SUNSET   819 PM PDT   
APRIL 30 2016.........SUNRISE   553 AM PDT   SUNSET   820 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