000 
CDUS41 KLWX 160541
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
141 AM EDT FRI SEP 16 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 15 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         91    250 PM  95    1998  79     12       68       
  MINIMUM         71   1224 AM  38    1985  56     15       65       
  AVERAGE         81                        68     13       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.06 1981   0.13  -0.13     0.29    
  MONTH TO DATE    0.00                      1.95  -1.95     1.80    
  SINCE SEP 1      0.00                      1.95  -1.95     1.80    
  SINCE JAN 1     29.77                     30.18  -0.41    26.54    
                                                                     
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    0                        10    -10        0       
  SINCE SEP 1      0                        10    -10        0       
  SINCE JUL 1      0                        15    -15        2       
                                                                     
 COOLING                                                             
  YESTERDAY       16                         4     12        2       
  MONTH TO DATE  117                        86     31       93       
  SINCE SEP 1    117                        86     31       93       
  SINCE JAN 1   1228                      1011    217     1152       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     5.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     44           200 PM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
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 2005.....SUNRISE   652 AM EDT   SUNSET   716 PM EDT   
SEPTEMBER 17 2005.....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.                                          


$$