AFOS product CLIIAD
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CDUS41 KLWX 010559
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
158 AM EDT SUN OCT 1 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 30 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         66    452 PM  92    1986  74     -8       70       
  MINIMUM         43    357 AM  35    1993  49     -6       40       
  AVERAGE         55                        62     -7       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.86 1976   0.12  -0.09     0.00    
  MONTH TO DATE    7.12                      3.82   3.30     0.15    
  SINCE SEP 1      7.12                      3.82   3.30     0.15    
  SINCE JAN 1     34.11                     32.05   2.06    29.92    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                         5      5       10       
  MONTH TO DATE   54                        60     -6       12       
  SINCE SEP 1     54                        60     -6       12       
  SINCE JUL 1     54                        65    -11       12       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE   80                       132    -52      227       
  SINCE SEP 1     80                       132    -52      227       
  SINCE JAN 1   1241                      1057    184     1338       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     5.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     56           400 PM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        90      1986                    
 MINIMUM TEMPERATURE (F)   49        31      1993                    
                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  1 2006.......SUNRISE   706 AM EDT   SUNSET   653 PM EDT   
OCTOBER  2 2006.......SUNRISE   707 AM EDT   SUNSET   651 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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