AFOS product CLIDCA
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CDUS41 KLWX 220524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
124 AM EDT WED AUG 22 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 21 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         86    341 PM 100    1874  86      0       90       
  MINIMUM         66    605 AM  53    1908  69     -3       76       
  AVERAGE         76                        78     -2       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.59          2.12 1906   0.09   0.50     0.27    
  MONTH TO DATE    2.06                      2.04   0.02     4.66    
  SINCE JUN 1      7.25                      9.55  -2.30     9.37    
  SINCE JAN 1     17.99                     25.51  -7.52    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       11                        13     -2       18       
  MONTH TO DATE  354                       287     67      359       
  SINCE JUN 1   1295                      1058    237     1393       
  SINCE JAN 1   1554                      1192    362     1593       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     3.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           200 AM                                     
 LOWEST     37           200 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86        99      1983                    
 MINIMUM TEMPERATURE (F)   69        51      1923                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 22 2012........SUNRISE   629 AM EDT   SUNSET   752 PM EDT   
AUGUST 23 2012........SUNRISE   629 AM EDT   SUNSET   751 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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