AFOS product CLIIAD
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CDUS41 KLWX 300529
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT FRI APR 30 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 29 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         78    333 PM  87    1974  70      8       75       
  MINIMUM         37    613 AM  32    1987  44     -7       48       
  AVERAGE         58                        57      1       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.04 1990   0.12  -0.12     0.01    
  MONTH TO DATE    5.05                      3.10   1.95     2.61    
  SINCE MAR 1      7.10                      6.65   0.45     6.32    
  SINCE JAN 1     10.44                     12.47  -2.03    15.28    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   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        7                         8     -1        3       
  MONTH TO DATE  336                       354    -18      343       
  SINCE MAR 1    910                      1024   -114      984       
  SINCE JUL 1   4635                      4757   -122     5028       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   36                        10     26        8       
  SINCE MAR 1     36                        14     22        8       
  SINCE JAN 1     36                        14     22        8       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    10.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    71          M500 AM                                     
 LOWEST     29          M200 PM                                     
 AVERAGE    50                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        86      1974                    
 MINIMUM TEMPERATURE (F)   45        29      1977                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 30 2004.........SUNRISE   613 AM EDT   SUNSET   802 PM EDT   
MAY  1 2004...........SUNRISE   611 AM EDT   SUNSET   803 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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