AFOS product CLIIAD
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CDUS41 KLWX 010532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
131 AM EDT WED SEP 1 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 31 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         83    447 PM  98    1991  83      0       74       
  MINIMUM         61   1157 PM  43    1976  61      0       65       
  AVERAGE         72                        72      0       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.21 1975   0.13  -0.13      T      
  MONTH TO DATE    3.78                      3.78   0.00     5.57    
  SINCE JUN 1     11.24                     11.42  -0.18    19.96    
  SINCE JAN 1     24.73                     28.23  -3.50    44.05    
                                                                     
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    2                         4     -2        0       
  SINCE JUN 1     14                        26    -12       31       
  SINCE JUL 1      2                         5     -3        0       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         7      0        5       
  MONTH TO DATE  278                       302    -24      356       
  SINCE JUN 1    819                       850    -31      849       
  SINCE JAN 1   1059                       925    134      879       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     8.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87          1200 AM                                     
 LOWEST     42           600 PM                                     
 AVERAGE    65                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   83        98      1980                    
 MINIMUM TEMPERATURE (F)   60        49      1976                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  1 2004.....SUNRISE   639 AM EDT   SUNSET   740 PM EDT   
SEPTEMBER  2 2004.....SUNRISE   640 AM EDT   SUNSET   738 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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