AFOS product CLIIAD
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CDUS41 KLWX 140535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
134 AM EDT WED APR 14 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 13 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         49    331 PM  87    1977  65    -16       65       
  MINIMUM         42    609 AM  24    1990  39      3       36       
  AVERAGE         46                        52     -6       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.34          0.93 1972   0.10   0.24     0.00    
  MONTH TO DATE    3.51                      1.36   2.15     1.60    
  SINCE MAR 1      5.56                      4.91   0.65     5.31    
  SINCE JAN 1      8.90                     10.73  -1.83    14.27    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1966   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4       T      
  SINCE MAR 1      T                         3.8   -3.8      1.9     
  SINCE JUL 1     17.4                      21.2   -3.8     50.1     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                        13      6       14       
  MONTH TO DATE  237                       189     48      203       
  SINCE MAR 1    811                       859    -48      844       
  SINCE JUL 1   4536                      4592    -56     4888       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         4     -4        0       
  SINCE JAN 1      0                         4     -4        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     6.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          M200 AM                                     
 LOWEST     92          1200 AM                                     
 AVERAGE    96                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        84      1967                    
 MINIMUM TEMPERATURE (F)   40        20      1975                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 14 2004.........SUNRISE   634 AM EDT   SUNSET   746 PM EDT   
APRIL 15 2004.........SUNRISE   633 AM EDT   SUNSET   747 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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