AFOS product CLIIAD
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CDUS41 KLWX 190532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
129 AM EDT MON AUG 19 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 18 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         97R   410 PM  95    1991  86     11       81       
  MINIMUM         74    612 AM  45    1981  63     11       60       
  AVERAGE         86                        74     12       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.89 1965   0.12  -0.12     0.00    
  MONTH TO DATE    0.36                      2.14  -1.78     2.35    
  SINCE JUN 1      6.62                      9.78  -3.16    11.37    
  SINCE JAN 1     19.99                     26.59  -6.60    27.78    
                                                                     
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                         0      0        0       
  SINCE JUN 1      2                        22    -20       18       
  SINCE JUL 1      0                         1     -1        5       
                                                                     
 COOLING                                                             
  YESTERDAY       21                        10     11        6       
  MONTH TO DATE  272                       191     81      235       
  SINCE JUN 1    895                       739    156      716       
  SINCE JAN 1   1023                       814    209      783       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     6.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           200 AM                                     
 LOWEST     40           300 PM                                     
 AVERAGE    64                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86        94      1983                    
 MINIMUM TEMPERATURE (F)   63        52      1981                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 19 2002........SUNRISE   627 AM EDT   SUNSET   759 PM EDT   
AUGUST 20 2002........SUNRISE   628 AM EDT   SUNSET   758 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.