293 
CDUS41 KLWX 130535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1232 AM EST THU MAR 13 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 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         56    438 PM  89    1990  53      3       45       
  MINIMUM         29    700 AM  18    1998  31     -2       33       
  AVERAGE         43                        42      1       39      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.41 1968   0.12  -0.12     0.24    
  MONTH TO DATE    0.40                      1.35  -0.95     1.17    
  SINCE MAR 1      0.40                      1.35  -0.95     1.17    
  SINCE JAN 1      8.22                      7.17   1.05     2.86    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.5  1968   0.1   -0.1      0.0     
  MONTH TO DATE    0.1                       1.6   -1.5      0.0     
  SINCE MAR 1      0.1                       1.6   -1.5      0.0     
  SINCE JUL 1     48.3                      19.0   29.3      2.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        23     -1       26       
  MONTH TO DATE  348                       296     52      271       
  SINCE MAR 1    348                       296     52      271       
  SINCE JUL 1   4392                      4029    363     3320       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     3.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     47           400 PM                                     
 AVERAGE    74                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        87      1990                    
 MINIMUM TEMPERATURE (F)   31        16      1998                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 13 2003.........SUNRISE   625 AM EST   SUNSET   615 PM EST   
MARCH 14 2003.........SUNRISE   623 AM EST   SUNSET   616 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.