000 
CDUS41 KLWX 150541
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
139 AM EDT TUE AUG 15 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 14 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         89    355 PM 100    1985  86      3       95       
  MINIMUM         65    612 AM  49    1983  63      2       75       
  AVERAGE         77                        75      2       85      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.77 1970   0.12  -0.12     0.00    
  MONTH TO DATE    1.19                      1.66  -0.47     0.95    
  SINCE JUN 1     15.43                      9.30   6.13    10.72    
  SINCE JAN 1     26.94                     26.11   0.83    28.40    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      4                        22    -18        9       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       12                        10      2       20       
  MONTH TO DATE  183                       151     32      219       
  SINCE JUN 1    851                       699    152      901       
  SINCE JAN 1    933                       774    159      929       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED   233   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     9.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           600 AM                                     
 LOWEST     47           400 PM                                     
 AVERAGE    67                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86       102      1988                    
 MINIMUM TEMPERATURE (F)   63        45      1964                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 15 2006........SUNRISE   623 AM EDT   SUNSET   805 PM EDT   
AUGUST 16 2006........SUNRISE   624 AM EDT   SUNSET   803 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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