AFOS product CLIDCA
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CDUS41 KLWX 110523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
123 AM EDT THU OCT 11 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 10 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         71    258 PM  92    1939  70      1       83       
  MINIMUM         55   1159 PM  30    1895  53      2       56       
  AVERAGE         63                        61      2       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.15 1971   0.11  -0.11     0.00    
  MONTH TO DATE    0.68                      1.10  -0.42     0.47    
  SINCE SEP 1      4.97                      4.82   0.15     9.31    
  SINCE JAN 1     23.68                     31.22  -7.54    36.61    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.3  1979   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                         5     -3        0       
  MONTH TO DATE   40                        40      0       54       
  SINCE SEP 1     45                        64    -19       68       
  SINCE JUL 1     45                        64    -19       68       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        5       
  MONTH TO DATE   33                        22     11        6       
  SINCE SEP 1    262                       224     38      214       
  SINCE JAN 1   1963                      1535    428     1916       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     40           200 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        90      1919                    
 MINIMUM TEMPERATURE (F)   52        33      1906                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 11 2012.......SUNRISE   714 AM EDT   SUNSET   635 PM EDT   
OCTOBER 12 2012.......SUNRISE   715 AM EDT   SUNSET   633 PM EDT   

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




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