000 
CDUS41 KLWX 160537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
134 AM EDT TUE SEP 16 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 15 2003...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         82    358 PM  95    1998  79      3       77       
  MINIMUM         64    407 AM  38    1985  56      8       71       
  AVERAGE         73                        68      5       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.06 1981   0.13  -0.11     0.09    
  MONTH TO DATE    2.59                      1.95   0.64     0.48    
  SINCE SEP 1      2.59                      1.95   0.64     0.48    
  SINCE JAN 1     46.64                     30.18  16.46    23.03    
                                                                     
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                         2     -2        0       
  MONTH TO DATE    8                        10     -2        4       
  SINCE SEP 1      8                        10     -2        4       
  SINCE JUL 1      8                        15     -7        7       
                                                                     
 COOLING                                                             
  YESTERDAY        8                         4      4        9       
  MONTH TO DATE   68                        86    -18       78       
  SINCE SEP 1     68                        86    -18       78       
  SINCE JAN 1    947                      1011    -64     1241       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     58           400 PM                                     
 AVERAGE    79                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        97      1991                    
 MINIMUM TEMPERATURE (F)   56        37      1984                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 16 2003.....SUNRISE   652 AM EDT   SUNSET   717 PM EDT   
SEPTEMBER 17 2003.....SUNRISE   653 AM EDT   SUNSET   715 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.