AFOS product CLIIAD
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CDUS41 KLWX 260528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
126 AM EDT SUN AUG 26 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 25 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         97R   306 PM  97    1998  85     12       95       
  MINIMUM         72    616 AM  47    1971  62     10       66       
  AVERAGE         85                        73     12       81      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.14          3.03 1999   0.13   0.01     0.00    
  MONTH TO DATE    1.63                      3.00  -1.37     1.19    
  SINCE JUN 1      6.30                     10.64  -4.34    15.43    
  SINCE JAN 1     17.60                     27.45  -9.85    26.94    
                                                                     
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                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      3                        22    -19        4       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       20                         9     11       16       
  MONTH TO DATE  355                       255    100      326       
  SINCE JUN 1   1035                       803    232      994       
  SINCE JAN 1   1186                       878    308     1076       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED     M   HIGHEST WIND DIRECTION     M (0)        
  HIGHEST GUST SPEED     M   HIGHEST GUST DIRECTION     M (0)        
  AVERAGE WIND SPEED     9.1                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           300 AM                                     
 LOWEST     48           200 PM                                     
 AVERAGE    68                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        95      1998                    
                                             1993                    
 MINIMUM TEMPERATURE (F)   61        48      1977                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 26 2007........SUNRISE   633 AM EDT   SUNSET   750 PM EDT   
AUGUST 27 2007........SUNRISE   634 AM EDT   SUNSET   748 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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