000 
CDUS41 KLWX 230531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT TUE MAY 23 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 22 2006...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         71    330 PM  88    2004  76     -5       76       
                                      1984                          
                                      1975                          
  MINIMUM         44    517 AM  31    2002  52     -8       47       
  AVERAGE         58                        64     -6       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.07 2001   0.14  -0.14     0.00    
  MONTH TO DATE    1.74                      2.96  -1.22     3.61    
  SINCE MAR 1      6.67                      9.73  -3.06    11.88    
  SINCE JAN 1     11.45                     15.55  -4.10    16.43    
                                                                     
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      T                         3.8   -3.8      1.2     
  SINCE JUL 1     14.1                      21.2   -7.1     17.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                         3      4        3       
  MONTH TO DATE  115                       117     -2      149       
  SINCE MAR 1    936                      1149   -213     1188       
  SINCE JUL 1   4164                      4909   -745     4524       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        0       
  MONTH TO DATE    8                        30    -22       15       
  SINCE MAR 1     20                        45    -25       26       
  SINCE JAN 1     20                        45    -25       26       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    10.4                                         
                                                                     
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    71          1100 PM                                     
 LOWEST     32           500 PM                                     
 AVERAGE    52                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        92      1964                    
 MINIMUM TEMPERATURE (F)   52        39      2002                    
                                             1990                    
                                             1971                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 23 2006...........SUNRISE   551 AM EDT   SUNSET   823 PM EDT   
MAY 24 2006...........SUNRISE   550 AM EDT   SUNSET   823 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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