AFOS product CLIDCA
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CDUS41 KLWX 020523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1223 AM EST SUN DEC 2 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 1 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         51    337 PM  75    2006  52     -1       52       
  MINIMUM         37    757 AM  14    1936  37      0       38       
                                      1875                          
  AVERAGE         44                        44      0       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.90 1974   0.11  -0.11     0.00    
  MONTH TO DATE    0.00                      0.11  -0.11     0.00    
  SINCE DEC 1      0.00                      0.11  -0.11     0.00    
  SINCE JAN 1     29.42                     36.80  -7.38    41.99    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    2007   0.0    0.0              
                                      1992                          
                                      1981                          
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      T                         0.5   -0.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        21      0       20       
  MONTH TO DATE   21                        21      0       20       
  SINCE DEC 1     21                        21      0       20       
  SINCE JUL 1    732                       716     16      615       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1975                      1549    426     1925       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     2.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           900 AM                                     
 LOWEST     63           300 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   51        73      1970                    
 MINIMUM TEMPERATURE (F)   36        15      1886                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  2 2012......SUNRISE   709 AM EST   SUNSET   446 PM EST   
DECEMBER  3 2012......SUNRISE   710 AM EST   SUNSET   446 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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