AFOS product CLIDCA
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CDUS41 KLWX 280522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT TUE AUG 28 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 27 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         88    456 PM 100    1987  85      3       79       
  MINIMUM         71    535 AM  51    1885  68      3       72       
  AVERAGE         80                        77      3       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.79 1971   0.09  -0.09     3.33    
  MONTH TO DATE    2.75                      2.58   0.17     8.42    
  SINCE JUN 1      7.94                     10.09  -2.15    13.13    
  SINCE JAN 1     18.68                     26.05  -7.37    26.80    
                                                                     
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       15                        12      3       11       
  MONTH TO DATE  436                       360     76      428       
  SINCE JUN 1   1377                      1131    246     1462       
  SINCE JAN 1   1636                      1265    371     1662       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     5.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           100 AM                                     
 LOWEST     46           500 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85        99      1948                    
 MINIMUM TEMPERATURE (F)   68        50      1874                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 28 2012........SUNRISE   634 AM EDT   SUNSET   744 PM EDT   
AUGUST 29 2012........SUNRISE   635 AM EDT   SUNSET   742 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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