701 
CDUS41 KLWX 200535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST MON JAN 20 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 19 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    400 PM  65    1972  41     -7       33       
  MINIMUM         11    500 AM  -6    1994  21    -10       25       
  AVERAGE         23                        31     -8       29      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.36 1987   0.10  -0.10     0.27    
  MONTH TO DATE    2.51                      1.90   0.61     0.94    
  SINCE DEC 1      6.12                      4.97   1.15     2.50    
  SINCE JAN 1      2.51                      1.90   0.61     0.94    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.3  1978   0.3   -0.3      2.6     
  MONTH TO DATE    4.5                       4.5    0.0      2.6     
  SINCE DEC 1     12.7                       6.7    6.0      2.6     
  SINCE JUL 1     12.7                       7.6    5.1      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       42                        34      8       36       
  MONTH TO DATE  648                       627     21      570       
  SINCE DEC 1   1620                      1511    109     1296       
  SINCE JUL 1   2602                      2488    114     2099       
                                                                     
 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    15   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    61           500 AM                                     
 LOWEST     35           300 PM                                     
 AVERAGE    48                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        57      1991                    
 MINIMUM TEMPERATURE (F)   21        -7      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 20 2003.......SUNRISE   725 AM EST   SUNSET   517 PM EST   
JANUARY 21 2003.......SUNRISE   724 AM EST   SUNSET   518 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.