AFOS product CLIIAD
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CDUS41 KLWX 230520
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
119 AM EDT TUE OCT 23 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 22 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         82    145 PM  85    1979  65     17       62       
  MINIMUM         46    649 AM  26    1974  40      6       37       
  AVERAGE         64                        53     11       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.90 1985   0.10  -0.10      T      
  MONTH TO DATE    0.35                      2.40  -2.05     3.62    
  SINCE SEP 1      1.75                      6.22  -4.47    10.74    
  SINCE JAN 1     19.39                     34.45 -15.06    37.73    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                        12    -11       15       
  MONTH TO DATE   47                       199   -152      174       
  SINCE SEP 1     75                       259   -184      228       
  SINCE JUL 1     75                       264   -189      228       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE  100                        15     85       14       
  SINCE SEP 1    320                       147    173       94       
  SINCE JAN 1   1585                      1072    513     1255       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     6.8                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           300 AM                                     
 LOWEST     33           100 PM                                     
 AVERAGE    60                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        85      1978                    
 MINIMUM TEMPERATURE (F)   39        21      1969                    

                                                                      
SUNRISE AND SUNSET                                                   
OCTOBER 23 2007.......SUNRISE   727 AM EDT   SUNSET   621 PM EDT   
OCTOBER 24 2007.......SUNRISE   728 AM EDT   SUNSET   619 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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