AFOS product CLIIAD
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CDUS41 KLWX 230519
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1218 AM EST FRI NOV 23 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 22 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         75R   125 PM  73    1979  54     21       41       
  MINIMUM         41   1159 PM  14    1964  32      9       38       
  AVERAGE         58                        43     15       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.54 1991   0.11  -0.11     0.88    
  MONTH TO DATE    1.31                      2.43  -1.12     5.24    
  SINCE SEP 1      6.23                      9.62  -3.39    17.18    
  SINCE JAN 1     23.87                     37.85 -13.98    44.17    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       T      0.0              
  MONTH TO DATE    0.0                       T      0.0              
  SINCE JUL 1      0.0                       0.1   -0.1              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                        22    -15       25       
  MONTH TO DATE  377                       405    -28      354       
  SINCE SEP 1    547                       788   -241      730       
  SINCE JUL 1    547                       793   -246      730       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        1       
  SINCE SEP 1    328                       147    181       95       
  SINCE JAN 1   1593                      1072    521     1256       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    14.8                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  SNOW                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           700 AM                                     
 LOWEST     45          1000 PM                                     
 AVERAGE    59                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        70      1990                    
 MINIMUM TEMPERATURE (F)   32        14      1984                    
                                             1964                    

                                                                      
SUNRISE AND SUNSET                                                   
NOVEMBER 23 2007......SUNRISE   701 AM EST   SUNSET   451 PM EST   
NOVEMBER 24 2007......SUNRISE   702 AM EST   SUNSET   451 PM EST   

                                                                     
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          

 


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