879 
CDUS41 KLWX 290539
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
135 AM EDT SUN SEP 29 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 28 2002...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2002

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         77    231 PM  84    1973  75      2       64       
  MINIMUM         53   1159 PM  34    1989  50      3       43       
  AVERAGE         65                        63      2       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.97 1974   0.12  -0.12     0.01    
  MONTH TO DATE    2.84                      3.58  -0.74     3.42    
  SINCE SEP 1      2.84                      3.58  -0.74     3.42    
  SINCE JAN 1     25.39                     31.81  -6.42    33.40    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0      0.0     
  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                         5     -5       11       
  MONTH TO DATE   15                        50    -35       60       
  SINCE SEP 1     15                        50    -35       60       
  SINCE JUL 1     18                        55    -37       65       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE  146                       128     18       98       
  SINCE SEP 1    146                       128     18       98       
  SINCE JAN 1   1309                      1053    256     1012       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     9.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1000 PM                                     
 LOWEST     49           500 PM                                     
 AVERAGE    71                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        85      1986                    
 MINIMUM TEMPERATURE (F)   50        34      1978                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 29 2002.....SUNRISE   704 AM EDT   SUNSET   656 PM EDT   
SEPTEMBER 30 2002.....SUNRISE   705 AM EDT   SUNSET   654 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.