000 
CDUS41 KLWX 310534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
133 AM EDT TUE MAY 31 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 30 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         76    137 PM  95    1991  79     -3       70       
  MINIMUM         48    452 AM  38    1996  54     -6       55       
  AVERAGE         62                        67     -5       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          1.33 1971   0.14  -0.10     0.01    
  MONTH TO DATE    4.86                      4.08   0.78     2.62    
  SINCE MAR 1     13.13                     10.85   2.28     9.71    
  SINCE JAN 1     17.68                     16.67   1.01    13.05    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 1      1.2                       3.8   -2.6       T      
  SINCE JUL 1     17.3                      21.2   -3.9     17.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                         2      1        2       
  MONTH TO DATE  178                       137     41       47       
  SINCE MAR 1   1217                      1169     48      957       
  SINCE JUL 1   4553                      4929   -376     4684       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         4     -4        0       
  MONTH TO DATE   17                        56    -39      200       
  SINCE MAR 1     28                        71    -43      237       
  SINCE JAN 1     28                        71    -43      237       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     3.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97          1100 PM                                     
 LOWEST     41          1100 AM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        94      1991                    
 MINIMUM TEMPERATURE (F)   55        37      1984                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 31 2005...........SUNRISE   547 AM EDT   SUNSET   829 PM EDT   
JUNE  1 2005..........SUNRISE   546 AM EDT   SUNSET   830 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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