AFOS product CLIIAD
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CDUS41 KLWX 100538
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT THU AUG 10 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 9 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         85    303 PM  97    2001  87     -2       76       
                                      1980                          
  MINIMUM         66    613 AM  47    1989  64      2       70       
  AVERAGE         76                        75      1       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.28 1969   0.12  -0.12     0.19    
  MONTH TO DATE    0.97                      1.06  -0.09     0.95    
  SINCE JUN 1     15.21                      8.70   6.51    10.72    
  SINCE JAN 1     26.72                     25.51   1.21    28.40    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       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      4                        22    -18        9       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                        11      0        8       
  MONTH TO DATE  149                        99     50      129       
  SINCE JUN 1    817                       647    170      811       
  SINCE JAN 1    899                       722    177      839       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     4.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           100 AM                                     
 LOWEST     40           100 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        96      2001                    
 MINIMUM TEMPERATURE (F)   64        52      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 10 2006........SUNRISE   619 AM EDT   SUNSET   811 PM EDT   
AUGUST 11 2006........SUNRISE   620 AM EDT   SUNSET   810 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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