AFOS product CLIDCA
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CDUS41 KLWX 260520
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1220 AM EST WED DEC 26 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 25 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         51    142 PM  72    1964  44      7       48       
  MINIMUM         34    751 AM   3    1983  30      4       34       
  AVERAGE         43                        37      6       41      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.41 1945   0.09  -0.09     0.00    
  MONTH TO DATE    1.41                      2.53  -1.12     4.29    
  SINCE DEC 1      1.41                      2.53  -1.12     4.29    
  SINCE JAN 1     30.83                     39.22  -8.39    46.28    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.4  1962   0.1   -0.1              
  MONTH TO DATE    T                         1.7   -1.7              
  SINCE JUL 1      T                         2.2   -2.2              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        28     -6       24       
  MONTH TO DATE  444                       616   -172      493       
  SINCE DEC 1    444                       616   -172      493       
  SINCE JUL 1   1155                      1311   -156     1088       
                                                                     
 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    16   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     7.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1200 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        72      1889                    
 MINIMUM TEMPERATURE (F)   30         4      1935                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 26 2012......SUNRISE   725 AM EST   SUNSET   453 PM EST   
DECEMBER 27 2012......SUNRISE   726 AM EST   SUNSET   453 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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