AFOS product CLIIAD
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CDUS41 KLWX 260522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
121 AM EDT FRI OCT 26 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 25 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         54   1159 PM  77    1963  64    -10       55       
  MINIMUM         52    901 AM  27    1969  39     13       37       
  AVERAGE         53                        52      1       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.49          3.39 1971   0.11   0.38     0.00    
  MONTH TO DATE    2.00                      2.71  -0.71     3.62    
  SINCE SEP 1      3.40                      6.53  -3.13    10.74    
  SINCE JAN 1     21.04                     34.76 -13.72    37.73    
                                                                     
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       12                        13     -1       19       
  MONTH TO DATE   62                       238   -176      234       
  SINCE SEP 1     90                       298   -208      288       
  SINCE JUL 1     90                       303   -213      288       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE  108                        15     93       14       
  SINCE SEP 1    328                       147    181       94       
  SINCE JAN 1   1593                      1072    521     1255       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     9.6                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1000 PM                                     
 LOWEST     83           100 AM                                     
 AVERAGE    88                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        82      1978                    
 MINIMUM TEMPERATURE (F)   39        26      1988                    
                                             1987                    
                                             1972                    

                                                                      
SUNRISE AND SUNSET                                                   
OCTOBER 26 2007.......SUNRISE   730 AM EDT   SUNSET   617 PM EDT   
OCTOBER 27 2007.......SUNRISE   731 AM EDT   SUNSET   616 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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