AFOS product CLIIAD
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CDUS41 KLWX 240535
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON                        
131 AM EDT WED JUL 24 2002

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 23 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         94    348 PM  99    1991  88      6       90       
  MINIMUM         71   1159 PM  50    1983  64      7       64       
  AVERAGE         83                        76      7       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.37          1.51 1988   0.11   0.26     0.00    
  MONTH TO DATE    2.02                      2.67  -0.65     3.13    
  SINCE JUN 1      5.63                      6.74  -1.11     7.95    
  SINCE JAN 1     19.00                     23.55  -4.55    24.36    
                                                                     
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                         1     -1        3       
  SINCE JUN 1      2                        23    -21       16       
  SINCE JUL 1      0                         1     -1        3       
                                                                     
 COOLING                                                             
  YESTERDAY       18                        11      7       12       
  MONTH TO DATE  283                       246     37      165       
  SINCE JUN 1    520                       446     74      411       
  SINCE JAN 1    648                       521    127      478       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    10.4                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           700 PM                                     
 LOWEST     52           100 PM                                     
 AVERAGE    76                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88        97      1987                    
 MINIMUM TEMPERATURE (F)   64        48      1985                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 24 2002..........SUNRISE   604 AM EDT   SUNSET   828 PM EDT   
JULY 25 2002..........SUNRISE   604 AM EDT   SUNSET   828 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.