AFOS product CLIIAD
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CDUS41 KLWX 280549
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
147 AM EDT FRI JUL 28 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 27 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         93    207 PM  98    1993  88      5       96       
  MINIMUM         73    429 AM  52    1977  65      8       71       
  AVERAGE         83                        76      7       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          3.50 1994   0.11  -0.11     0.58    
  MONTH TO DATE    2.45                      3.11  -0.66     7.76    
  SINCE JUN 1     14.24                      7.18   7.06     9.68    
  SINCE JAN 1     25.75                     23.99   1.76    27.36    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         1     -1        0       
  SINCE JUN 1      4                        22    -18        9       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       18                        12      6       19       
  MONTH TO DATE  357                       299     58      369       
  SINCE JUN 1    596                       502     94      642       
  SINCE JAN 1    678                       577    101      670       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     6.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           400 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    67                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88        99      1993                    
 MINIMUM TEMPERATURE (F)   65        47      1977                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 28 2006..........SUNRISE   607 AM EDT   SUNSET   825 PM EDT   
JULY 29 2006..........SUNRISE   608 AM EDT   SUNSET   824 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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