AFOS product CLIDCA
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CDUS41 KLWX 030521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
121 AM EDT FRI AUG 3 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 2 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         96    200 PM 100    2002  88      8       98       
  MINIMUM         75    542 AM  55    1895  71      4       74       
  AVERAGE         86                        79      7       86      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          6.14 1944   0.10  -0.10     0.00    
  MONTH TO DATE    T                         0.21  -0.21     0.00    
  SINCE JUN 1      5.19                      7.72  -2.53     4.71    
  SINCE JAN 1     15.93                     23.68  -7.75    18.38    
                                                                     
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 JUN 1      0                         6     -6        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       21                        14      7       21       
  MONTH TO DATE   38                        28     10       44       
  SINCE JUN 1    979                       799    180     1078       
  SINCE JAN 1   1238                       933    305     1278       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     5.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           500 AM                                     
 LOWEST     41           200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88       101      2006                    
 MINIMUM TEMPERATURE (F)   71        56      1920                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  3 2012........SUNRISE   611 AM EDT   SUNSET   817 PM EDT   
AUGUST  4 2012........SUNRISE   612 AM EDT   SUNSET   815 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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