500 
CDUS41 KLWX 220533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT TUE APR 22 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 21 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         68    551 PM  89    1985  68      0       59       
  MINIMUM         44    504 AM  29    1983  42      2       44       
  AVERAGE         56                        55      1       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          2.20 1992   0.11  -0.09     0.63    
  MONTH TO DATE    2.26                      2.20   0.06     1.33    
  SINCE MAR 1      5.97                      5.75   0.22     4.81    
  SINCE JAN 1     13.79                     11.57   2.22     6.50    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   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        9                        10     -1       13       
  MONTH TO DATE  280                       280      0      191       
  SINCE MAR 1    921                       950    -29      794       
  SINCE JUL 1   4965                      4683    282     3843       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    8                         2      6       55       
  SINCE MAR 1      8                         6      2       55       
  SINCE JAN 1      8                         6      2       55       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     5.3                                         
                                                                     
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     63           500 PM                                     
 AVERAGE    82                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        92      1985                    
 MINIMUM TEMPERATURE (F)   42        27      1975                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 22 2003.........SUNRISE   624 AM EDT   SUNSET   753 PM EDT   
APRIL 23 2003.........SUNRISE   623 AM EDT   SUNSET   754 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.