588 
CDUS41 KLWX 130530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1228 AM EST MON JAN 13 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JANUARY 12 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         32    359 PM  63    1995  41     -9       51       
  MINIMUM         17   1131 PM  -4    1977  22     -5       25       
  AVERAGE         25                        32     -7       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.75 1964   0.10  -0.10     0.00    
  MONTH TO DATE    2.47                      1.20   1.27     0.67    
  SINCE DEC 1      6.08                      4.27   1.81     2.23    
  SINCE JAN 1      2.47                      1.20   1.27     0.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.1  1996   0.2   -0.2      0.0     
  MONTH TO DATE    3.8                       2.4    1.4       T      
  SINCE DEC 1     12.0                       4.6    7.4       T      
  SINCE JUL 1     12.0                       5.5    6.5       T      
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        33      7       27       
  MONTH TO DATE  354                       393    -39      379       
  SINCE DEC 1   1326                      1277     49     1105       
  SINCE JUL 1   2308                      2254     54     1908       
                                                                     
 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    21   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     9.3                                         
                                                                     
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    73          1100 PM                                     
 LOWEST     39           100 PM                                     
 AVERAGE    56                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        68      1995                    
 MINIMUM TEMPERATURE (F)   22        -3      1981                    
                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 13 2003.......SUNRISE   728 AM EST   SUNSET   509 PM EST   
JANUARY 14 2003.......SUNRISE   727 AM EST   SUNSET   510 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.