AFOS product CLIIAD
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CDUS41 KLWX 230532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
129 AM EDT WED JUL 23 2003

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 22 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         87    429 PM  98    1998  88     -1       94       
  MINIMUM         67    822 PM  50    1974  65      2       72       
  AVERAGE         77                        76      1       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.49          2.25 1969   0.11   1.38     0.00    
  MONTH TO DATE    5.22                      2.56   2.66     1.65    
  SINCE JUN 1     13.55                      6.63   6.92     5.26    
  SINCE JAN 1     37.64                     23.44  14.20    18.63    
                                                                     
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       12                        12      0       18       
  MONTH TO DATE  239                       239      0      265       
  SINCE JUN 1    404                       442    -38      502       
  SINCE JAN 1    434                       517    -83      630       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     8.9                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97          1000 PM                                     
 LOWEST     59           300 PM                                     
 AVERAGE    78                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88        99      1991                    
 MINIMUM TEMPERATURE (F)   65        50      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 23 2003..........SUNRISE   603 AM EDT   SUNSET   829 PM EDT   
JULY 24 2003..........SUNRISE   603 AM EDT   SUNSET   829 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.