504 
CDUS41 KLWX 210531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1229 AM EST FRI FEB 21 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 20 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         46    436 PM  70    1971  47     -1       65       
  MINIMUM         25   1153 PM  -2    1979  25      0       44       
  AVERAGE         36                        36      0       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.57 1981   0.10  -0.10     0.04    
  MONTH TO DATE    2.70                      1.95   0.75     0.34    
  SINCE DEC 1      9.00                      8.07   0.93     3.12    
  SINCE JAN 1      5.39                      5.00   0.39     1.56    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.7  1969   0.2   -0.2      0.0     
  MONTH TO DATE   28.5                       4.6   23.9       T      
  SINCE DEC 1     41.8                      14.9   26.9      2.6     
  SINCE JUL 1     41.8                      15.8   26.0      2.6     
  SNOW DEPTH      12                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       29                        29      0       10       
  MONTH TO DATE  694                       624     70      534       
  SINCE DEC 1   2793                      2533    260     2056       
  SINCE JUL 1   3775                      3510    265     2859       
                                                                     
 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    14   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     4.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1000 PM                                     
 LOWEST     45           200 PM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        70      1997                    
 MINIMUM TEMPERATURE (F)   25         7      1972                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2003......SUNRISE   654 AM EST   SUNSET   554 PM EST   
FEBRUARY 22 2003......SUNRISE   653 AM EST   SUNSET   555 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.