AFOS product CLIIAD
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CDUS41 KLWX 180548
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
145 AM EDT FRI AUG 18 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 17 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    352 PM 101    1988  86      3       86       
  MINIMUM         63    249 AM  44    1979  63      0       66       
  AVERAGE         76                        74      2       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.32 1997   0.12  -0.12     0.00    
  MONTH TO DATE    1.19                      2.02  -0.83     1.41    
  SINCE JUN 1     15.43                      9.66   5.77    11.18    
  SINCE JAN 1     26.94                     26.47   0.47    28.86    
                                                                     
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       11                        10      1       11       
  MONTH TO DATE  219                       181     38      258       
  SINCE JUN 1    887                       729    158      940       
  SINCE JAN 1    969                       804    165      968       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    MM   HIGHEST WIND DIRECTION    MM            
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     4.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           100 AM                                     
 LOWEST     36           300 PM                                     
 AVERAGE    57                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86        97      2002                    
 MINIMUM TEMPERATURE (F)   63        45      1981                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 18 2006........SUNRISE   626 AM EDT   SUNSET   801 PM EDT   
AUGUST 19 2006........SUNRISE   627 AM EDT   SUNSET   759 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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