AFOS product CLIDCA
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CDUS41 KLWX 240521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
121 AM EDT FRI AUG 24 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 23 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         89    104 PM  98    1936  86      3       81       
  MINIMUM         70    611 AM  52    1925  69      1       63       
                                      1923                          
  AVERAGE         80                        78      2       72      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          6.39 1933   0.09  -0.09     0.00    
  MONTH TO DATE    2.41                      2.22   0.19     4.66    
  SINCE JUN 1      7.60                      9.73  -2.13     9.37    
  SINCE JAN 1     18.34                     25.69  -7.35    23.04    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   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                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      0                         6     -6        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       15                        12      3        7       
  MONTH TO DATE  381                       312     69      378       
  SINCE JUN 1   1322                      1083    239     1412       
  SINCE JAN 1   1581                      1217    364     1612       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     3.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90           600 AM                                     
 LOWEST     37          1200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86        98      1968                    
 MINIMUM TEMPERATURE (F)   69        49      1890                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 24 2012........SUNRISE   630 AM EDT   SUNSET   750 PM EDT   
AUGUST 25 2012........SUNRISE   631 AM EDT   SUNSET   748 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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