AFOS product CLIIAD
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CDUS41 KLWX 090521
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
120 AM EDT TUE OCT 9 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 8 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         92R   330 PM  85    1982  71     21       71       
  MINIMUM         63    613 AM  30    2001  45     18       50       
  AVERAGE         78                        58     20       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.79 2005   0.11  -0.11     0.00    
  MONTH TO DATE    T                         0.90  -0.90     2.29    
  SINCE SEP 1      1.40                      4.72  -3.32     9.41    
  SINCE JAN 1     19.04                     32.95 -13.91    36.40    
                                                                     
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                         8     -8        4       
  MONTH TO DATE    1                        55    -54       39       
  SINCE SEP 1     29                       115    -86       93       
  SINCE JUL 1     29                       120    -91       93       
                                                                     
 COOLING                                                             
  YESTERDAY       13                         1     12        0       
  MONTH TO DATE   66                        11     55       11       
  SINCE SEP 1    286                       143    143       91       
  SINCE JAN 1   1551                      1068    483     1252       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     2.3                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           700 AM                                     
 LOWEST     34           400 PM                                     
 AVERAGE    64                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        87      1990                    
 MINIMUM TEMPERATURE (F)   45        26      2001                    

                                                                      
SUNRISE AND SUNSET                                                   
OCTOBER  9 2007.......SUNRISE   713 AM EDT   SUNSET   641 PM EDT   
OCTOBER 10 2007.......SUNRISE   714 AM EDT   SUNSET   639 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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