AFOS product CLIIAD
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CDUS41 KLWX 290521
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
120 AM EDT WED AUG 29 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 28 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         86    201 PM  98    1993  84      2       92       
  MINIMUM         65    428 AM  44    1986  61      4       72       
  AVERAGE         76                        73      3       82      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.73 2002   0.13  -0.13     0.01    
  MONTH TO DATE    1.67                      3.39  -1.72     1.21    
  SINCE JUN 1      6.34                     11.03  -4.69    15.45    
  SINCE JAN 1     17.64                     27.84 -10.20    26.96    
                                                                     
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       11                         8      3       17       
  MONTH TO DATE  393                       279    114      374       
  SINCE JUN 1   1073                       827    246     1042       
  SINCE JAN 1   1224                       902    322     1124       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     3.7                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           300 AM                                     
 LOWEST     51           200 PM                                     
 AVERAGE    69                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        98      1991                    
 MINIMUM TEMPERATURE (F)   61        38      1982                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 29 2007........SUNRISE   636 AM EDT   SUNSET   745 PM EDT   
AUGUST 30 2007........SUNRISE   637 AM EDT   SUNSET   744 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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