AFOS product CLIDCA
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CDUS41 KLWX 290526
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1224 AM EST TUE DEC 29 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 28 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60   1215 AM  75    1946  44     16       58       
  MINIMUM         41    959 PM  10    1914  30     11       45       
  AVERAGE         51                        37     14       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.23          1.38 1922   0.09   0.14     0.08    
  MONTH TO DATE    4.19                      2.80   1.39     3.45    
  SINCE DEC 1      4.19                      2.80   1.39     3.45    
  SINCE JAN 1     44.37                     39.49   4.88    44.36    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1993   0.1   -0.1              
  MONTH TO DATE    0.0                       2.0   -2.0              
  SINCE JUL 1      0.0                       2.5   -2.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        28    -14       13       
  MONTH TO DATE  378                       700   -322      572       
  SINCE DEC 1    378                       700   -322      572       
  SINCE JUL 1    913                      1395   -482     1179       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         0      1        0       
  SINCE DEC 1      1                         0      1        0       
  SINCE JAN 1   1999                      1549    450     1712       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED    14.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           800 PM                                     
 LOWEST     60           500 AM                                     
 AVERAGE    71                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        75      1984                    
 MINIMUM TEMPERATURE (F)   30         2      1917                    
                                             1880                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 29 2015......SUNRISE   726 AM EST   SUNSET   454 PM EST   
DECEMBER 30 2015......SUNRISE   726 AM EST   SUNSET   455 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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