AFOS product CLIIAD
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CDUS41 KLWX 240522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT WED OCT 24 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 23 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         79    357 PM  85    1978  65     14       51       
  MINIMUM         67    715 AM  21    1969  39     28       39       
  AVERAGE         73                        52     21       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             2.63 1990   0.10  -0.10     0.00    
  MONTH TO DATE    0.35                      2.50  -2.15     3.62    
  SINCE SEP 1      1.75                      6.32  -4.57    10.74    
  SINCE JAN 1     19.39                     34.55 -15.16    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        0                        13    -13       20       
  MONTH TO DATE   47                       212   -165      194       
  SINCE SEP 1     75                       272   -197      248       
  SINCE JUL 1     75                       277   -202      248       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         0      8        0       
  MONTH TO DATE  108                        15     93       14       
  SINCE SEP 1    328                       147    181       94       
  SINCE JAN 1   1593                      1072    521     1255       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    11.4                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           500 AM                                     
 LOWEST     54           200 PM                                     
 AVERAGE    66                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        84      2001                    
 MINIMUM TEMPERATURE (F)   39        15      1969                    

                                                                      
SUNRISE AND SUNSET                                                   
OCTOBER 24 2007.......SUNRISE   728 AM EDT   SUNSET   619 PM EDT   
OCTOBER 25 2007.......SUNRISE   729 AM EDT   SUNSET   618 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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