AFOS product CLIIAD
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CDUS41 KLWX 220528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
127 AM EDT SUN OCT 22 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 21 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         61    343 PM  86    1979  66     -5       54       
  MINIMUM         41    704 AM  22    1972  40      1       49       
  AVERAGE         51                        53     -2       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.36 1988   0.10  -0.10     0.22    
  MONTH TO DATE    3.62                      2.30   1.32     7.11    
  SINCE SEP 1     10.74                      6.12   4.62     7.26    
  SINCE JAN 1     37.73                     34.35   3.38    37.03    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        12      2       13       
  MONTH TO DATE  159                       187    -28       62       
  SINCE SEP 1    213                       247    -34       74       
  SINCE JUL 1    213                       252    -39       74       
                                                                     
 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    14   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     4.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1100 PM                                     
 LOWEST     36           400 PM                                     
 AVERAGE    63                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        85      1979                    
 MINIMUM TEMPERATURE (F)   40        26      1974                    
                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 22 2006.......SUNRISE   726 AM EDT   SUNSET   622 PM EDT   
OCTOBER 23 2006.......SUNRISE   727 AM EDT   SUNSET   620 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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