479 
CDUS41 KLWX 040532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1228 AM EST FRI APR 4 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 3 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         81    503 PM  86    1981  62     19       73       
  MINIMUM         44    604 AM  23    1991  37      7       41       
  AVERAGE         63                        49     14       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.51 1987   0.11  -0.11      T      
  MONTH TO DATE    T                         0.33  -0.33      T      
  SINCE MAR 1      3.71                      3.88  -0.17     3.48    
  SINCE JAN 1     11.53                      9.70   1.83     5.17    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1987   0.1   -0.1      0.0     
  MONTH TO DATE    0.0                       0.3   -0.3      0.0     
  SINCE MAR 1      1.9                       3.7   -1.8      0.0     
  SINCE JUL 1     50.1                      21.1   29.0      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                        16    -14        8       
  MONTH TO DATE   26                        48    -22       39       
  SINCE MAR 1    667                       718    -51      642       
  SINCE JUL 1   4711                      4451    260     3691       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         4     -4        0       
  SINCE JAN 1      0                         4     -4        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     6.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     33           200 PM                                     
 AVERAGE    63                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        81      1981                    
 MINIMUM TEMPERATURE (F)   37        22      1965                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL  4 2003.........SUNRISE   550 AM EST   SUNSET   636 PM EST   
APRIL  5 2003.........SUNRISE   549 AM EST   SUNSET   637 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.