AFOS product CLIIAD
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CDUS41 KLWX 190540
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1234 AM EST SUN JAN 19 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 18 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         25    441 PM  70    1990  41    -16       44       
  MINIMUM          3    739 AM  -1    1994  21    -18       25       
  AVERAGE         14                        31    -17       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.18 1980   0.10  -0.10     0.00    
  MONTH TO DATE    2.51                      1.80   0.71     0.67    
  SINCE DEC 1      6.12                      4.87   1.25     2.23    
  SINCE JAN 1      2.51                      1.80   0.71     0.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.2  1984   0.3   -0.3      0.0     
  MONTH TO DATE    4.5                       4.2    0.3       T      
  SINCE DEC 1     12.7                       6.4    6.3       T      
  SINCE JUL 1     12.7                       7.3    5.4       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       51                        34     17       30       
  MONTH TO DATE  606                       593     13      534       
  SINCE DEC 1   1578                      1477    101     1260       
  SINCE JUL 1   2560                      2454    106     2063       
                                                                     
 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    17   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     4.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           700 AM                                     
 LOWEST     43           300 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        65      1972                    
 MINIMUM TEMPERATURE (F)   21        -6      1994                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 19 2003.......SUNRISE   725 AM EST   SUNSET   516 PM EST   
JANUARY 20 2003.......SUNRISE   725 AM EST   SUNSET   517 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.