335 
CDUS41 KLWX 120534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1231 AM EST FRI MAR 12 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MARCH 11 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         56    535 PM  77    1990  53      3       46       
  MINIMUM         24    651 AM  13    1996  30     -6       20       
  AVERAGE         40                        42     -2       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.82 1963   0.12  -0.12      T      
  MONTH TO DATE    1.37                      1.23   0.14     0.40    
  SINCE MAR 1      1.37                      1.23   0.14     0.40    
  SINCE JAN 1      4.71                      7.05  -2.34     9.36    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.0  1963   0.1   -0.1      0.1     
  MONTH TO DATE    T                         1.5   -1.5      0.1     
  SINCE MAR 1      T                         1.5   -1.5      0.1     
  SINCE JUL 1     17.4                      18.9   -1.5     48.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                        23      2       32       
  MONTH TO DATE  180                       273    -93      326       
  SINCE MAR 1    180                       273    -93      326       
  SINCE JUL 1   3905                      4006   -101     4370       
                                                                     
 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    15   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     4.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          M300 AM                                     
 LOWEST     26          M500 PM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   53        89      1990                    
 MINIMUM TEMPERATURE (F)   31        18      1998                    
                                                                     
SUNRISE AND SUNSET                                                   
MARCH 12 2004.........SUNRISE   625 AM EST   SUNSET   614 PM EST   
MARCH 13 2004.........SUNRISE   624 AM EST   SUNSET   615 PM EST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


$$