AFOS product CLIIAD
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CDUS41 KLWX 040531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT THU MAY 4 2006

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 3 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         75        MM  92    1965  71      4       60        
  MINIMUM         53        MM  32    2005  46      7       32        
                                      1963                          
  AVERAGE         64                        58      6       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.03 1984   0.13  -0.13     0.00    
  MONTH TO DATE    T                         0.37  -0.37     0.06    
  SINCE MAR 1      4.93                      7.14  -2.21     8.33    
  SINCE JAN 1      9.71                     12.96  -3.25    12.88    
                                                                     
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        1                         7     -6       19       
  MONTH TO DATE   15                        22     -7       44       
  SINCE MAR 1    836                      1054   -218     1083       
  SINCE JUL 1   4064                      4814   -750     4419       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         3     -3        0       
  SINCE MAR 1     12                        18     -6       11       
  SINCE JAN 1     12                        18     -6       11       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     7.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77           200 AM                                     
 LOWEST     41           500 PM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        90      2001                    
 MINIMUM TEMPERATURE (F)   46        31      1967                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY  4 2006...........SUNRISE   608 AM EDT   SUNSET   805 PM EDT   
MAY  5 2006...........SUNRISE   607 AM EDT   SUNSET   806 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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