AFOS product CLIIAD
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CDUS41 KLWX 230533
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
131 AM EDT MON SEP 23 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 22 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         85    233 PM  94    1980  77      8       83       
  MINIMUM         68   1159 PM  38    1997  53     15       63       
  AVERAGE         77                        65     12       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.24          1.57 1982   0.13   0.11     0.00    
  MONTH TO DATE    0.74                      2.86  -2.12     1.01    
  SINCE SEP 1      0.74                      2.86  -2.12     1.01    
  SINCE JAN 1     23.29                     31.09  -7.80    30.99    
                                                                     
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 SEP 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                         3     -3        0       
  MONTH TO DATE    4                        27    -23       20       
  SINCE SEP 1      4                        27    -23       20       
  SINCE JUL 1      7                        32    -25       25       
                                                                     
 COOLING                                                             
  YESTERDAY       12                         3      9        8       
  MONTH TO DATE  141                       112     29       86       
  SINCE SEP 1    141                       112     29       86       
  SINCE JAN 1   1304                      1037    267     1000       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     7.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           400 AM                                     
 LOWEST     55          1100 AM                                     
 AVERAGE    73                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        92      1970                    
 MINIMUM TEMPERATURE (F)   53        33      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 23 2002.....SUNRISE   658 AM EDT   SUNSET   705 PM EDT   
SEPTEMBER 24 2002.....SUNRISE   659 AM EDT   SUNSET   704 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.