AFOS product CLIDCA
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CDUS41 KLWX 270519
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
119 AM EDT MON AUG 27 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 26 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         84   1207 PM  97    1948  85     -1       90       
  MINIMUM         71   1001 PM  51    1942  69      2       70       
  AVERAGE         78                        77      1       80      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.28          2.03 1999   0.09   0.19     0.01    
  MONTH TO DATE    2.75                      2.49   0.26     5.09    
  SINCE JUN 1      7.94                     10.00  -2.06     9.80    
  SINCE JAN 1     18.68                     25.96  -7.28    23.47    
                                                                     
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       13                        12      1       15       
  MONTH TO DATE  421                       348     73      417       
  SINCE JUN 1   1362                      1119    243     1451       
  SINCE JAN 1   1621                      1253    368     1651       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     8.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     65          1100 AM                                     
 AVERAGE    79                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85       100      1987                    
 MINIMUM TEMPERATURE (F)   68        51      1885                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 27 2012........SUNRISE   633 AM EDT   SUNSET   745 PM EDT   
AUGUST 28 2012........SUNRISE   634 AM EDT   SUNSET   744 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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