Weather Service Report


366 
CDUS46 KSEW 250827
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA                                  
1227 AM PST SUN JAN 25 2015


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

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 24 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         58R   422 PM  58    1995  48     10       55       
  MINIMUM         52    144 AM  10    1950  37     15       34       
  AVERAGE         55                        43     12       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.36 1984   0.16  -0.14     0.00    
  MONTH TO DATE    3.63                      4.45  -0.82     2.41    
  SINCE OCT 1     20.01                     19.85   0.16     9.40    
  SINCE JAN 1      3.63                      4.45  -0.82     2.41    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.5  1972                   0.0     
  MONTH TO DATE    0.0                                       0.0     
  SINCE OCT 1      0.8                                       1.1     
  SINCE JUL 1      0.8                                       1.1     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        22    -12       20       
  MONTH TO DATE  490                       556    -66      489       
  SINCE DEC 1   1093                      1311   -218     1267       
  SINCE JUL 1   1933                      2494   -561     2289       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     7.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     86           900 AM                                     
 AVERAGE    90                                                       

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

                                                                     
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   48        58      1986                    
 MINIMUM TEMPERATURE (F)   37         7      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 25 2015.......SUNRISE   744 AM PST   SUNSET   500 PM PST   
JANUARY 26 2015.......SUNRISE   743 AM PST   SUNSET   501 PM PST   

                                                                    
-  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