AFOS product CLIIAD
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CDUS41 KLWX 150537
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
134 AM EDT SUN SEP 15 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 14 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         81    128 PM  95    1998  80      1       71       
  MINIMUM         59    626 AM  37    1985  57      2       51       
  AVERAGE         70                        68      2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             5.52 1966   0.13  -0.13     0.12    
  MONTH TO DATE    0.39                      1.82  -1.43     0.15    
  SINCE SEP 1      0.39                      1.82  -1.43     0.15    
  SINCE JAN 1     22.94                     30.05  -7.11    30.13    
                                                                     
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                         1     -1        4       
  MONTH TO DATE    4                         8     -4        4       
  SINCE SEP 1      4                         8     -4        4       
  SINCE JUL 1      7                        13     -6        9       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         5      0        0       
  MONTH TO DATE   69                        82    -13       67       
  SINCE SEP 1     69                        82    -13       67       
  SINCE JAN 1   1232                      1007    225      981       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     8.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1000 PM                                     
 LOWEST     68          1200 AM                                     
 AVERAGE    81                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        95      1998                    
 MINIMUM TEMPERATURE (F)   56        38      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 15 2002.....SUNRISE   651 AM EDT   SUNSET   718 PM EDT   
SEPTEMBER 16 2002.....SUNRISE   652 AM EDT   SUNSET   717 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.