000 
CDUS41 KLWX 220543
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
142 AM EDT TUE AUG 22 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 21 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         87    404 PM  94    2005  85      2       94       
  MINIMUM         62    543 AM  47    1976  62      0       71       
  AVERAGE         75                        74      1       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.42 1973   0.12  -0.12     0.00    
  MONTH TO DATE    1.19                      2.50  -1.31     1.60    
  SINCE JUN 1     15.43                     10.14   5.29    11.37    
  SINCE JAN 1     26.94                     26.95  -0.01    29.05    
                                                                     
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       10                         9      1       18       
  MONTH TO DATE  273                       219     54      309       
  SINCE JUN 1    941                       767    174      991       
  SINCE JAN 1   1023                       842    181     1019       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     5.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73           600 AM                                     
 LOWEST     34           600 PM                                     
 AVERAGE    54                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85       101      1983                    
 MINIMUM TEMPERATURE (F)   62        51      1976                    
                                             1969                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 22 2006........SUNRISE   630 AM EDT   SUNSET   755 PM EDT   
AUGUST 23 2006........SUNRISE   630 AM EDT   SUNSET   754 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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