AFOS product CLIIAD
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CDUS41 KLWX 100531
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT THU JUL 10 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 9 2003...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         91    108 PM  99    1993  87      4       94       
  MINIMUM         70    339 PM  48    1984  64      6       72       
  AVERAGE         81                        76      5       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.04          2.23 1970   0.12   0.92     0.04    
  MONTH TO DATE    2.06                      1.08   0.98     0.04    
  SINCE JUN 1     10.40                      5.15   5.25     3.65    
  SINCE JAN 1     34.49                     21.96  12.53    17.02    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2002   0.0    0.0      0.0     
                                      2001                          
  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        0       
  SINCE JUN 1     31                        22      9        2       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       16                        11      5       18       
  MONTH TO DATE  114                        92     22      126       
  SINCE JUN 1    279                       295    -16      363       
  SINCE JAN 1    309                       370    -61      491       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1000 PM                                     
 LOWEST     50          1100 AM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        99      1993                    
 MINIMUM TEMPERATURE (F)   64        53      1963                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 10 2003..........SUNRISE   553 AM EDT   SUNSET   837 PM EDT   
JULY 11 2003..........SUNRISE   554 AM EDT   SUNSET   837 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.