AFOS product CLIIAD
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CDUS41 KLWX 030519
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
118 AM EDT WED OCT 3 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 2 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         80    408 PM  89    1986  73      7       76       
  MINIMUM         61    648 AM  32    1998  48     13       44       
                                      1997                          
  AVERAGE         71                        61     10       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.18 1973   0.12  -0.12     0.00    
  MONTH TO DATE    0.00                      0.24  -0.24     0.12    
  SINCE SEP 1      1.40                      4.06  -2.66     7.24    
  SINCE JAN 1     19.04                     32.29 -13.25    34.23    
                                                                     
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                         6     -6        5       
  MONTH TO DATE    1                        12    -11       10       
  SINCE SEP 1     29                        72    -43       64       
  SINCE JUL 1     29                        77    -48       64       
                                                                     
 COOLING                                                             
  YESTERDAY        6                         2      4        0       
  MONTH TO DATE    6                         4      2        0       
  SINCE SEP 1    226                       136     90       80       
  SINCE JAN 1   1491                      1061    430     1241       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    MM   HIGHEST WIND DIRECTION    MM            
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     4.9                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87          1100 PM                                     
 LOWEST     45           100 PM                                     
 AVERAGE    66                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        86      2002                    
 MINIMUM TEMPERATURE (F)   48        30      2003                    
                                             1974                    

                                                                      
SUNRISE AND SUNSET                                                   
OCTOBER  3 2007.......SUNRISE   707 AM EDT   SUNSET   650 PM EDT   
OCTOBER  4 2007.......SUNRISE   708 AM EDT   SUNSET   648 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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