406 
CDUS41 KLWX 090533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
131 AM EDT TUE JUL 9 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 8 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         91    239 PM 100    1993  87      4       85       
  MINIMUM         57    512 AM  48    1984  64     -7       66       
  AVERAGE         74                        75     -1       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.63 1980   0.12  -0.12     0.63    
  MONTH TO DATE    0.00                      0.96  -0.96     2.93    
  SINCE JUN 1      3.61                      5.03  -1.42     7.75    
  SINCE JAN 1     16.98                     21.84  -4.86    24.16    
                                                                     
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 JUN 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                         0      0        0       
  MONTH TO DATE    0                         1     -1        3       
  SINCE JUN 1      2                        22    -20       16       
  SINCE JUL 1      0                         1     -1        3       
                                                                     
 COOLING                                                             
  YESTERDAY        9                        11     -2       11       
  MONTH TO DATE  108                        81     27       50       
  SINCE JUN 1    345                       284     61      296       
  SINCE JAN 1    473                       359    114      363       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     4.3                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     38           300 PM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        99      1993                    
 MINIMUM TEMPERATURE (F)   64        48      1984                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY  9 2002..........SUNRISE   552 AM EDT   SUNSET   837 PM EDT   
JULY 10 2002..........SUNRISE   553 AM EDT   SUNSET   837 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.