659 
CDUS41 KLWX 310540
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1233 AM EST FRI JAN 31 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 30 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         34    304 PM  70    2002  42     -8       70       
  MINIMUM         30    835 AM   2    1965  22      8       54       
  AVERAGE         32                        32      0       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.37 1968   0.09  -0.09      T      
  MONTH TO DATE    2.53                      2.96  -0.43     1.20    
  SINCE DEC 1      6.14                      6.03   0.11     2.76    
  SINCE JAN 1      2.53                      2.96  -0.43     1.20    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             6.3  2000   0.3   -0.3      0.0     
  MONTH TO DATE    5.1                       7.8   -2.7      2.6     
  SINCE DEC 1     13.3                      10.0    3.3      2.6     
  SINCE JUL 1     13.3                      10.9    2.4      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       33                        33      0        3       
  MONTH TO DATE 1094                       992    102      782       
  SINCE DEC 1   2066                      1876    190     1508       
  SINCE JUL 1   3048                      2853    195     2311       
                                                                     
 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    12   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     6.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           300 AM                                     
 LOWEST     61          1100 AM                                     
 AVERAGE    73                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        65      1993                    
 MINIMUM TEMPERATURE (F)   22        -7      1965                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 31 2003.......SUNRISE   717 AM EST   SUNSET   530 PM EST   
FEBRUARY  1 2003......SUNRISE   716 AM EST   SUNSET   531 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.