AFOS product CLIIAD
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CDUS41 KLWX 110548
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
147 AM EDT SUN SEP 11 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 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         85    157 PM  99    1983  81      4       82       
  MINIMUM         61    531 AM  43    1981  58      3       58       
  AVERAGE         73                        69      4       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.50 1968   0.13  -0.13     0.00    
  MONTH TO DATE    0.00                      1.30  -1.30     1.43    
  SINCE SEP 1      0.00                      1.30  -1.30     1.43    
  SINCE JAN 1     29.77                     29.53   0.24    26.17    
                                                                     
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 SEP 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                         1     -1        0       
  MONTH TO DATE    0                         4     -4        0       
  SINCE SEP 1      0                         4     -4        0       
  SINCE JUL 1      0                         9     -9        2       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         5      3        5       
  MONTH TO DATE   65                        62      3       70       
  SINCE SEP 1     65                        62      3       70       
  SINCE JAN 1   1176                       987    189     1129       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     3.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     43           200 PM                                     
 AVERAGE    68                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        99      1983                    
 MINIMUM TEMPERATURE (F)   58        40      1976                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 11 2005.....SUNRISE   648 AM EDT   SUNSET   724 PM EDT   
SEPTEMBER 12 2005.....SUNRISE   649 AM EDT   SUNSET   723 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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