AFOS product CLIIAD
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CDUS41 KLWX 270536
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
132 AM EDT SAT JUL 27 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 26 2002...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2002

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         70    222 PM  98    1966  88    -18       89       
  MINIMUM         64    732 AM  50    1976  64      0       67       
  AVERAGE         67                        76     -9       78      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.41          0.76 1989   0.11   0.30     0.10    
  MONTH TO DATE    2.50                      3.00  -0.50     3.23    
  SINCE JUN 1      6.11                      7.07  -0.96     8.05    
  SINCE JAN 1     19.48                     23.88  -4.40    24.46    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2001   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         1     -1        3       
  SINCE JUN 1      2                        23    -21       16       
  SINCE JUL 1      0                         1     -1        3       
                                                                     
 COOLING                                                             
  YESTERDAY        2                        11     -9       13       
  MONTH TO DATE  305                       279     26      214       
  SINCE JUN 1    542                       479     63      460       
  SINCE JAN 1    670                       554    116      527       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     4.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           800 AM                                     
 LOWEST     76           200 AM                                     
 AVERAGE    88                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88        98      1993                    
 MINIMUM TEMPERATURE (F)   64        52      1977                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 27 2002..........SUNRISE   606 AM EDT   SUNSET   826 PM EDT   
JULY 28 2002..........SUNRISE   607 AM EDT   SUNSET   825 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.