AFOS product CLIIAD
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CDUS41 KLWX 110532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
131 AM EDT THU AUG 11 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 10 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         87    352 PM  96    2001  87      0       87       
  MINIMUM         71    519 AM  52    1972  64      7       64       
  AVERAGE         79                        75      4       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.38 1984   0.12  -0.12     0.00    
  MONTH TO DATE    0.95                      1.18  -0.23     2.15    
  SINCE JUN 1     10.72                      8.82   1.90     9.61    
  SINCE JAN 1     28.40                     25.63   2.77    23.10    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0     
  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                         0      0        2       
  SINCE JUN 1      9                        22    -13       14       
  SINCE JUL 1      0                         1     -1        2       
                                                                     
 COOLING                                                             
  YESTERDAY       14                        11      3       11       
  MONTH TO DATE  143                       110     33       81       
  SINCE JUN 1    825                       658    167      622       
  SINCE JAN 1    853                       733    120      862       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     2.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     53           400 PM                                     
 AVERAGE    73                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        96      1980                    
 MINIMUM TEMPERATURE (F)   64        47      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 11 2005........SUNRISE   620 AM EDT   SUNSET   809 PM EDT   
AUGUST 12 2005........SUNRISE   621 AM EDT   SUNSET   808 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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