AFOS product CLIIAD
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CDUS41 KLWX 130532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
131 AM EDT WED APR 13 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 12 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         56    148 PM  87    1977  65     -9       46       
  MINIMUM         37    331 AM  23    1982  39     -2       43       
  AVERAGE         47                        52     -5       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.45 2004   0.10  -0.09     1.45    
  MONTH TO DATE    2.59                      1.26   1.33     3.17    
  SINCE MAR 1      6.52                      4.81   1.71     5.22    
  SINCE JAN 1     11.07                     10.63   0.44     8.56    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           1.0  1973   T      0.0      0.0     
  MONTH TO DATE    0.0                       0.4   -0.4      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       18                        13      5       20       
  MONTH TO DATE  122                       176    -54      218       
  SINCE MAR 1    866                       846     20      792       
  SINCE JUL 1   4202                      4606   -404     4519       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    7                         0      7        0       
  SINCE MAR 1      7                         4      3        0       
  SINCE JAN 1      7                         4      3        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     6.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           300 AM                                     
 LOWEST     33          1100 AM                                     
 AVERAGE    59                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        87      1977                    
 MINIMUM TEMPERATURE (F)   39        24      1990                    
                                                                     
SUNRISE AND SUNSET                                                   
APRIL 13 2005.........SUNRISE   636 AM EDT   SUNSET   745 PM EDT   
APRIL 14 2005.........SUNRISE   634 AM EDT   SUNSET   746 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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