AFOS product CLIIAD
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CDUS41 KLWX 130548
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
148 AM EDT TUE SEP 13 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 12 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         89    315 PM  95    1998  80      9       80       
  MINIMUM         56    554 AM  40    1967  57     -1       61       
  AVERAGE         73                        69      4       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.18 1965   0.13  -0.13     0.00    
  MONTH TO DATE    0.00                      1.56  -1.56     1.43    
  SINCE SEP 1      0.00                      1.56  -1.56     1.43    
  SINCE JAN 1     29.77                     29.79  -0.02    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                         6     -6        0       
  SINCE SEP 1      0                         6     -6        0       
  SINCE JUL 1      0                        11    -11        2       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         5      3        6       
  MONTH TO DATE   80                        72      8       81       
  SINCE SEP 1     80                        72      8       81       
  SINCE JAN 1   1191                       997    194     1140       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     3.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     29           300 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        94      1974                    
 MINIMUM TEMPERATURE (F)   57        43      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 13 2005.....SUNRISE   649 AM EDT   SUNSET   721 PM EDT   
SEPTEMBER 14 2005.....SUNRISE   650 AM EDT   SUNSET   719 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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