AFOS product CLIIAD
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CDUS41 KLWX 100617
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
216 AM EDT SUN SEP 10 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 9 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         84    225 PM  95    1985  81      3       87       
  MINIMUM         60    600 AM  40    1986  58      2       55       
  AVERAGE         72                        70      2       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.34 1999   0.13  -0.13     0.00    
  MONTH TO DATE    5.33                      1.17   4.16     0.00    
  SINCE SEP 1      5.33                      1.17   4.16     0.00    
  SINCE JAN 1     32.32                     29.40   2.92    29.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    3                         3      0        0       
  SINCE SEP 1      3                         3      0        0       
  SINCE JUL 1      3                         8     -5        0       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         6      1        6       
  MONTH TO DATE   37                        57    -20       57       
  SINCE SEP 1     37                        57    -20       57       
  SINCE JAN 1   1198                       982    216     1168       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     2.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     40           300 PM                                     
 AVERAGE    70                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        99      1983                    
 MINIMUM TEMPERATURE (F)   58        43      1981                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 10 2006.....SUNRISE   647 AM EDT   SUNSET   726 PM EDT   
SEPTEMBER 11 2006.....SUNRISE   647 AM EDT   SUNSET   725 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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