AFOS product CLIDCA
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CDUS41 KLWX 170522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT WED OCT 17 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 16 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         65    244 PM  89    1897  68     -3       71       
                                      1881                          
  MINIMUM         49   1159 PM  30    1876  50     -1       50       
  AVERAGE         57                        59     -2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.38 2002   0.11  -0.11     0.00    
  MONTH TO DATE    0.74                      1.77  -1.03     1.88    
  SINCE SEP 1      5.03                      5.49  -0.46    10.72    
  SINCE JAN 1     23.74                     31.89  -8.15    38.02    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   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        8                         6      2        4       
  MONTH TO DATE   80                        75      5       62       
  SINCE SEP 1     85                        99    -14       76       
  SINCE JUL 1     85                        99    -14       76       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   33                        28      5       14       
  SINCE SEP 1    262                       230     32      222       
  SINCE JAN 1   1963                      1541    422     1924       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    71          1000 PM                                     
 LOWEST     39           500 PM                                     
 AVERAGE    55                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        86      1938                    
                                             1908                    
 MINIMUM TEMPERATURE (F)   50        33      1893                    
                                             1886                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 17 2012.......SUNRISE   720 AM EDT   SUNSET   626 PM EDT   
OCTOBER 18 2012.......SUNRISE   721 AM EDT   SUNSET   625 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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