AFOS product CLIIAD
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CDUS41 KLWX 050530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT SUN SEP 5 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 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         85    341 PM  95    1985  82      3       76       
  MINIMUM         63    635 AM  48    1997  60      3       67       
  AVERAGE         74                        71      3       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.87 1988   0.13  -0.13     0.27    
  MONTH TO DATE    0.00                      0.52  -0.52     1.35    
  SINCE SEP 1      0.00                      0.52  -0.52     1.35    
  SINCE JAN 1     24.74                     28.75  -4.01    45.40    
                                                                     
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 SEP 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 SEP 1      0                         0      0        0       
  SINCE JUL 1      2                         5     -3        0       
                                                                     
 COOLING                                                             
  YESTERDAY        9                         6      3        7       
  MONTH TO DATE   28                        27      1       40       
  SINCE SEP 1     28                        27      1       40       
  SINCE JAN 1   1087                       952    135      919       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     3.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87          1200 AM                                     
 LOWEST     34           400 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82        96      1985                    
 MINIMUM TEMPERATURE (F)   59        42      1997                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  5 2004.....SUNRISE   643 AM EDT   SUNSET   733 PM EDT   
SEPTEMBER  6 2004.....SUNRISE   643 AM EDT   SUNSET   732 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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