AFOS product CLIIAD
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CDUS41 KLWX 050532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT THU AUG 5 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 4 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         89    335 PM  99    2002  87      2       83       
  MINIMUM         68    334 AM  51    1976  64      4       69       
  AVERAGE         79                        76      3       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.31          0.83 1967   0.12   0.19     0.01    
  MONTH TO DATE    2.11                      0.46   1.65     0.30    
  SINCE JUN 1      9.57                      8.10   1.47    14.69    
  SINCE JAN 1     23.07                     24.91  -1.84    38.78    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  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     12                        22    -10       31       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       14                        11      3       11       
  MONTH TO DATE   56                        44     12       53       
  SINCE JUN 1    597                       592      5      546       
  SINCE JAN 1    837                       667    170      576       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     4.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     55           200 PM                                     
 AVERAGE    74                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        99      1995                    
 MINIMUM TEMPERATURE (F)   64        54      1992                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  5 2004........SUNRISE   615 AM EDT   SUNSET   816 PM EDT   
AUGUST  6 2004........SUNRISE   615 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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