AFOS product CLIIAD
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CDUS41 KLWX 220539
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT MON AUG 22 2005

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 21 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         94R   216 PM  93    1968  85      9       78       
  MINIMUM         71   1116 PM  47    1976  62      9       61       
  AVERAGE         83                        74      9       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.42 1973   0.12  -0.12     0.09    
  MONTH TO DATE    1.60                      2.50  -0.90     3.78    
  SINCE JUN 1     11.37                     10.14   1.23    11.24    
  SINCE JAN 1     29.05                     26.95   2.10    24.73    
                                                                     
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                         0      0        2       
  SINCE JUN 1      9                        22    -13       14       
  SINCE JUL 1      0                         1     -1        2       
                                                                     
 COOLING                                                             
  YESTERDAY       18                         9      9        5       
  MONTH TO DATE  309                       219     90      176       
  SINCE JUN 1    991                       767    224      717       
  SINCE JAN 1   1019                       842    177      957       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     32           300 PM                                     
 AVERAGE    66                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85       101      1983                    
 MINIMUM TEMPERATURE (F)   62        51      1976                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 22 2005........SUNRISE   630 AM EDT   SUNSET   755 PM EDT   
AUGUST 23 2005........SUNRISE   631 AM EDT   SUNSET   753 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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