AFOS product CLIIAD
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CDUS41 KLWX 200525
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
124 AM EDT FRI OCT 20 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 19 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         67    719 PM  83    1991  67      0       77       
                                      1963                          
  MINIMUM         55    129 AM  25    1976  41     14       43       
  AVERAGE         61                        54      7       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          1.36 1966   0.10  -0.04     0.00    
  MONTH TO DATE    3.23                      2.10   1.13     6.89    
  SINCE SEP 1     10.35                      5.92   4.43     7.04    
  SINCE JAN 1     37.34                     34.15   3.19    36.81    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                        11     -7        5       
  MONTH TO DATE  137                       163    -26       42       
  SINCE SEP 1    191                       223    -32       54       
  SINCE JUL 1    191                       228    -37       54       
                                                                     
 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    21   HIGHEST WIND DIRECTION    SE (130)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     3.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     87          1200 PM                                     
 AVERAGE    94                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        83      1969                    
 MINIMUM TEMPERATURE (F)   40        20      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 20 2006.......SUNRISE   724 AM EDT   SUNSET   624 PM EDT   
OCTOBER 21 2006.......SUNRISE   725 AM EDT   SUNSET   623 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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