057 
CDUS41 KLWX 230533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT WED APR 23 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 22 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         66   1041 AM  92    1985  68     -2       69       
  MINIMUM         52        MM  27    1975  42     10       45        
  AVERAGE         59                        55      4       57      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          1.14 1972   0.11  -0.08     0.23    
  MONTH TO DATE    2.29                      2.31  -0.02     1.56    
  SINCE MAR 1      6.00                      5.86   0.14     5.04    
  SINCE JAN 1     13.82                     11.68   2.14     6.73    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1993   0.0    0.0     MM       
  MONTH TO DATE    T                         0.4   -0.4      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        6                        10     -4        8       
  MONTH TO DATE  286                       290     -4      199       
  SINCE MAR 1    927                       960    -33      802       
  SINCE JUL 1   4971                      4693    278     3851       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    8                         3      5       55       
  SINCE MAR 1      8                         7      1       55       
  SINCE JAN 1      8                         7      1       55       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     8.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     46           600 PM                                     
 AVERAGE    73                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        88      2001                    
 MINIMUM TEMPERATURE (F)   42        30      1989                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 23 2003.........SUNRISE   623 AM EDT   SUNSET   754 PM EDT   
APRIL 24 2003.........SUNRISE   621 AM EDT   SUNSET   755 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.