AFOS product CLIDCA
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CDUS41 KLWX 210520
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1220 AM EST WED NOV 21 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR NOVEMBER 20 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         57    255 PM  79    1942  56      1       65       
  MINIMUM         44   1139 PM  20    1901  40      4       50       
  AVERAGE         51                        48      3       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.83 1952   0.11  -0.11     0.02    
  MONTH TO DATE    0.54                      2.10  -1.56     0.63    
  SINCE SEP 1     10.65                      9.22   1.43    13.38    
  SINCE JAN 1     29.36                     35.62  -6.26    40.68    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.5  1961   0.0    0.0              
  MONTH TO DATE    T                         0.2   -0.2              
  SINCE JUL 1      T                         0.2   -0.2              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        17     -3        7       
  MONTH TO DATE  334                       277     57      261       
  SINCE SEP 1    502                       506     -4      487       
  SINCE JUL 1    502                       506     -4      487       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1    274                       236     38      223       
  SINCE JAN 1   1975                      1547    428     1925       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    NE (50)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     3.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1100 PM                                     
 LOWEST     55           300 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        79      1900                    
 MINIMUM TEMPERATURE (F)   40        18      1872                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 21 2012......SUNRISE   658 AM EST   SUNSET   450 PM EST   
NOVEMBER 22 2012......SUNRISE   659 AM EST   SUNSET   450 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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