510 
CDUS41 KLWX 070534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT WED MAY 7 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 6 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         63    343 PM  90    1986  72     -9       74       
  MINIMUM         51   1145 PM  36    1968  47      4       44       
  AVERAGE         57                        59     -2       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          0.80 1988   0.13  -0.11     0.04    
  MONTH TO DATE    0.24                      0.76  -0.52     0.97    
  SINCE MAR 1      6.66                      7.53  -0.87     7.90    
  SINCE JAN 1     15.62                     13.35   2.27     9.59    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0     MM       
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1      1.9                       3.8   -1.9      0.0     
  SINCE JUL 1     50.1                      21.2   28.9      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                         6      2        6       
  MONTH TO DATE   43                        42      1       51       
  SINCE MAR 1   1031                      1074    -43      948       
  SINCE JUL 1   5075                      4807    268     3997       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    9                         6      3        6       
  SINCE MAR 1     17                        21     -4       61       
  SINCE JAN 1     17                        21     -4       61       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     2.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     84           200 PM                                     
 AVERAGE    92                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        90      1986                    
                                             2000                    
 MINIMUM TEMPERATURE (F)   47        28      1970                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  7 2003...........SUNRISE   605 AM EDT   SUNSET   808 PM EDT   
MAY  8 2003...........SUNRISE   604 AM EDT   SUNSET   809 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.