AFOS product CLIDCA
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CDUS41 KLWX 310533
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1233 AM EST MON DEC 31 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 30 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         42    211 PM  70    1990  44     -2       54       
  MINIMUM         32   1159 PM  -7    1880  30      2       35       
  AVERAGE         37                        37      0       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.81 1877   0.08  -0.08     0.00    
  MONTH TO DATE    3.03                      2.97   0.06     4.90    
  SINCE DEC 1      3.03                      2.97   0.06     4.90    
  SINCE JAN 1     32.45                     39.66  -7.21    46.89    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.3  1935   0.1   -0.1              
  MONTH TO DATE    0.2                       2.2   -2.0              
  SINCE JUL 1      0.2                       2.7   -2.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        28      0       20       
  MONTH TO DATE  573                       756   -183      602       
  SINCE DEC 1    573                       756   -183      602       
  SINCE JUL 1   1284                      1451   -167     1197       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1975                      1549    426     1925       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    49   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    15.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    59          1200 AM                                     
 LOWEST     34          1200 PM                                     
 AVERAGE    47                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        70      1965                    
 MINIMUM TEMPERATURE (F)   29       -13      1880                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 31 2012......SUNRISE   727 AM EST   SUNSET   456 PM EST   
JANUARY  1 2013.......SUNRISE   727 AM EST   SUNSET   457 PM EST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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