561 
CDUS41 KLWX 100538
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
134 AM EDT THU APR 10 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 9 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         43   1027 PM  89    2001  64    -21       73       
  MINIMUM         36    914 AM  23    1977  38     -2       60       
  AVERAGE         40                        51    -11       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.51          1.02 1998   0.10   0.41     0.48    
  MONTH TO DATE    1.26                      0.96   0.30     0.48    
  SINCE MAR 1      4.97                      4.51   0.46     3.96    
  SINCE JAN 1     12.79                     10.33   2.46     5.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0             2.6  1982  MM     MM        0.0     
  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       25                        14     11        0       
  MONTH TO DATE  144                       136      8      145       
  SINCE MAR 1    785                       806    -21      748       
  SINCE JUL 1   4829                      4539    290     3797       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        2       
  MONTH TO DATE    0                         0      0        2       
  SINCE MAR 1      0                         4     -4        2       
  SINCE JAN 1      0                         4     -4        2       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     9.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     86           200 PM                                     
 AVERAGE    93                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        78      1992                    
 MINIMUM TEMPERATURE (F)   39        19      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 10 2003.........SUNRISE   641 AM EDT   SUNSET   742 PM EDT   
APRIL 11 2003.........SUNRISE   640 AM EDT   SUNSET   743 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.