570 
CDUS41 KLWX 220531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1229 AM EST WED JAN 22 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 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         31    417 PM  59    1990  41    -10       47       
  MINIMUM         19   1159 PM -16    1984  21     -2       27       
  AVERAGE         25                        31     -6       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.94 1974   0.10  -0.10     0.03    
  MONTH TO DATE    2.51                      2.10   0.41     0.97    
  SINCE DEC 1      6.12                      5.17   0.95     2.53    
  SINCE JAN 1      2.51                      2.10   0.41     0.97    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             3.2  2001   0.3   -0.3      0.0     
  MONTH TO DATE    4.5                       5.1   -0.6      2.6     
  SINCE DEC 1     12.7                       7.3    5.4      2.6     
  SINCE JUL 1     12.7                       8.2    4.5      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        34      6       28       
  MONTH TO DATE  720                       695     25      631       
  SINCE DEC 1   1692                      1579    113     1357       
  SINCE JUL 1   2674                      2556    118     2160       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     6.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84          1100 AM                                     
 LOWEST     37           600 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        68      1986                    
 MINIMUM TEMPERATURE (F)   21       -18      1984                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 22 2003.......SUNRISE   724 AM EST   SUNSET   519 PM EST   
JANUARY 23 2003.......SUNRISE   723 AM EST   SUNSET   520 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.