AFOS product CLIIAD
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CDUS41 KLWX 300534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
131 AM EDT FRI JUL 30 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 29 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    454 PM  97    1993  88     -3       81       
  MINIMUM         66    602 AM  53    1978  64      2       65       
  AVERAGE         76                        76      0       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.92 2001   0.11  -0.11      T      
  MONTH TO DATE    3.73                      3.33   0.40     6.06    
  SINCE JUN 1      7.46                      7.40   0.06    14.39    
  SINCE JAN 1     20.96                     24.21  -3.25    38.48    
                                                                     
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                         1     -1        0       
  SINCE JUN 1     12                        22    -10       31       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                        12     -1        8       
  MONTH TO DATE  312                       323    -11      312       
  SINCE JUN 1    509                       526    -17      477       
  SINCE JAN 1    749                       601    148      507       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     4.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82          1000 PM                                     
 LOWEST     47          1200 PM                                     
 AVERAGE    65                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88        98      1988                    
 MINIMUM TEMPERATURE (F)   64        51      1981                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 30 2004..........SUNRISE   609 AM EDT   SUNSET   823 PM EDT   
JULY 31 2004..........SUNRISE   610 AM EDT   SUNSET   822 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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