587 
CDUS41 KLWX 200532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1230 AM EST THU FEB 20 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR FEBRUARY 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         42    420 PM  71    1997  47     -5       59       
  MINIMUM         15    641 AM   7    1979  25    -10       16       
  AVERAGE         29                        36     -7       38      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.34 1972   0.10  -0.10     0.00    
  MONTH TO DATE    2.70                      1.85   0.85     0.30    
  SINCE DEC 1      9.00                      7.97   1.03     3.08    
  SINCE JAN 1      5.39                      4.90   0.49     1.52    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          13.8  1979   0.2   -0.2      0.0     
  MONTH TO DATE   28.5                       4.4   24.1       T      
  SINCE DEC 1     41.8                      14.7   27.1      2.6     
  SINCE JUL 1     41.8                      15.6   26.2      2.6     
  SNOW DEPTH      16                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                        29      7       27       
  MONTH TO DATE  665                       595     70      524       
  SINCE DEC 1   2764                      2504    260     2046       
  SINCE JUL 1   3746                      3481    265     2849       
                                                                     
 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     9   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     1.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           700 AM                                     
 LOWEST     57           300 PM                                     
 AVERAGE    77                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   47        70      1971                    
 MINIMUM TEMPERATURE (F)   25        -2      1979                    
                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 20 2003......SUNRISE   655 AM EST   SUNSET   552 PM EST   
FEBRUARY 21 2003......SUNRISE   654 AM EST   SUNSET   554 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.