AFOS product CLIIAD
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CDUS41 KLWX 280526
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
125 AM EDT TUE AUG 28 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 27 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         88    250 PM 100    1987  84      4       91       
  MINIMUM         66    558 AM  46    1969  61      5       72       
  AVERAGE         77                        73      4       82      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.98 1971   0.13  -0.13      T      
  MONTH TO DATE    1.67                      3.26  -1.59     1.20    
  SINCE JUN 1      6.34                     10.90  -4.56    15.44    
  SINCE JAN 1     17.64                     27.71 -10.07    26.95    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      3                        22    -19        4       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY       12                         8      4       17       
  MONTH TO DATE  382                       271    111      357       
  SINCE JUN 1   1062                       819    243     1025       
  SINCE JAN 1   1213                       894    319     1107       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     4.5                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           500 AM                                     
 LOWEST     36           300 PM                                     
 AVERAGE    59                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        98      1993                    
 MINIMUM TEMPERATURE (F)   61        44      1986                    

                                                                      
SUNRISE AND SUNSET                                                   
AUGUST 28 2007........SUNRISE   635 AM EDT   SUNSET   747 PM EDT   
AUGUST 29 2007........SUNRISE   636 AM EDT   SUNSET   745 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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