Weather Service Report


133 
CDUS46 KSEW 180119
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
618 PM PDT THU APR 17 2014


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 17 2014...
VALID TODAY AS OF 0600 PM LOCAL TIME.

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)                                                     
 TODAY                                                               
  MAXIMUM         53    238 PM  74    1983  59     -6       59       
  MINIMUM         50    455 PM  33    1964  42      8       39       
  AVERAGE         52                        50      2       49      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.47          0.71 1958   0.09   0.38     0.00    
  MONTH TO DATE    1.38                      1.68  -0.30     4.55    
  SINCE OCT 1     27.62                     29.87  -2.25    34.87    
  SINCE JAN 1     20.63                     14.47   6.16    13.03    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0           1.2  1972                   0.0     
  MONTH TO DATE    0.0                                       0.0     
  SINCE OCT 1      4.0                                       0.6     
  SINCE JUL 1      4.0                                       0.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           13                        15     -2       16       
  MONTH TO DATE  215                       266    -51      257       
  SINCE MAR 1    719                       840   -121      780       
  SINCE JUL 1   3794                      4094   -300     3921       
                                                                     
 COOLING                                                             
  TODAY            0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    10.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED TODAY.                            
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1200 PM                                     
 LOWEST     89           800 AM                                     
 AVERAGE    93                                                       

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

                                                                     
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   59        77      1962                    
 MINIMUM TEMPERATURE (F)   42        34      1964                    
                                             1961                    
                                             1950                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 17 2014.........SUNRISE   617 AM PDT   SUNSET   802 PM PDT   
APRIL 18 2014.........SUNRISE   615 AM PDT   SUNSET   803 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