AFOS product CLIIAD
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CDUS41 KLWX 311636
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1134 AM EST TUE OCT 31 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 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         70    334 PM  81    1996  63      7       68       
  MINIMUM         31    519 AM  20    1969  38     -7       39       
  AVERAGE         51                        50      1       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.57 1993   0.11  -0.11     0.00    
  MONTH TO DATE    4.82                      3.26   1.56     9.22    
  SINCE SEP 1     11.94                      7.08   4.86     9.37    
  SINCE JAN 1     38.93                     35.31   3.62    39.14    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        15     -1       11       
  MONTH TO DATE  316                       308      8      209       
  SINCE SEP 1    370                       368      2      221       
  SINCE JUL 1    370                       373     -3      221       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   14                        15     -1       35       
  SINCE SEP 1     94                       147    -53      262       
  SINCE JAN 1   1255                      1072    183     1373       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     3.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           300 AM                                     
 LOWEST     33           300 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        81      2004                    
                                             1982                    
 MINIMUM TEMPERATURE (F)   37        21      1968                    
                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 31 2006.......SUNRISE   636 AM EST   SUNSET   510 PM EST   
NOVEMBER  1 2006......SUNRISE   637 AM EST   SUNSET   509 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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