AFOS product CLIDCA
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423 
CDUS41 KLWX 140520
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
120 AM EDT FRI SEP 14 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 13 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         81    405 PM  94    1925  81      0       83       
                                      1915                          
  MINIMUM         60    550 AM  44    1917  64     -4       65       
  AVERAGE         71                        72     -1       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.51 1944   0.13  -0.13     0.00    
  MONTH TO DATE    2.44                      1.48   0.96     7.11    
  SINCE SEP 1      2.44                      1.48   0.96     7.11    
  SINCE JAN 1     21.15                     27.88  -6.73    34.41    
                                                                     
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        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1      0                         0      0        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         7     -1        9       
  MONTH TO DATE  154                       120     34      121       
  SINCE SEP 1    154                       120     34      121       
  SINCE JAN 1   1855                      1431    424     1823       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     3.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           300 AM                                     
 LOWEST     39           200 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        94      1981                    
                                             1980                    
                                             1915                    
 MINIMUM TEMPERATURE (F)   63        46      1911                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 14 2012.....SUNRISE   649 AM EDT   SUNSET   717 PM EDT   
SEPTEMBER 15 2012.....SUNRISE   650 AM EDT   SUNSET   716 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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