AFOS product CLIIAD
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CDUS41 KLWX 300604
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
202 AM EDT SAT SEP 30 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 29 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         65    248 PM  85    1986  74     -9       76       
                                      1973                          
  MINIMUM         47   1122 PM  34    1978  50     -3       55       
  AVERAGE         56                        62     -6       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.23 1963   0.12  -0.12      T      
  MONTH TO DATE    7.09                      3.70   3.39     0.15    
  SINCE SEP 1      7.09                      3.70   3.39     0.15    
  SINCE JAN 1     34.08                     31.93   2.15    29.92    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                         5      4        0       
  MONTH TO DATE   44                        55    -11        2       
  SINCE SEP 1     44                        55    -11        2       
  SINCE JUL 1     44                        60    -16        2       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        1       
  MONTH TO DATE   80                       130    -50      227       
  SINCE SEP 1     80                       130    -50      227       
  SINCE JAN 1   1241                      1055    186     1338       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     6.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     43           400 PM                                     
 AVERAGE    68                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        92      1986                    
 MINIMUM TEMPERATURE (F)   49        35      1993                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 30 2006.....SUNRISE   705 AM EDT   SUNSET   654 PM EDT   
OCTOBER  1 2006.......SUNRISE   706 AM EDT   SUNSET   653 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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