000 
CDUS41 KLWX 010543
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
138 AM EDT TUE AUG 1 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 31 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         95    308 PM  98    1999  88      7       82       
  MINIMUM         73    518 AM  50    1997  64      9       67       
  AVERAGE         84                        76      8       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.87 1978   0.12  -0.12     0.00    
  MONTH TO DATE    2.45                      3.57  -1.12     7.85    
  SINCE JUN 1     14.24                      7.64   6.60     9.77    
  SINCE JAN 1     25.75                     24.45   1.30    27.45    
                                                                     
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      4                        22    -18        9       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       19                        11      8       10       
  MONTH TO DATE  429                       345     84      409       
  SINCE JUN 1    668                       548    120      682       
  SINCE JAN 1    750                       623    127      710       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     5.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           100 AM                                     
 LOWEST     44           300 PM                                     
 AVERAGE    66                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88       100      1980                    
 MINIMUM TEMPERATURE (F)   64        54      1997                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  1 2006........SUNRISE   611 AM EDT   SUNSET   821 PM EDT   
AUGUST  2 2006........SUNRISE   611 AM EDT   SUNSET   820 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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