AFOS product CLIDCA
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CDUS41 KLWX 220522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT FRI JUN 22 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 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         99R   234 PM  98    1988  86     13       87       
                                      1933                          
                                      1923                          
  MINIMUM         78    523 AM  51    1940  68     10       70       
  AVERAGE         89                        77     12       79      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          6.11 1972   0.13  -0.13     0.01    
  MONTH TO DATE    1.79                      2.65  -0.86     1.66    
  SINCE JUN 1      1.79                      2.65  -0.86     1.66    
  SINCE JAN 1     12.53                     18.61  -6.08    15.33    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      2.0                      14.5  -12.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         5     -5        0       
  SINCE JUN 1      0                         5     -5        0       
  SINCE JUL 1   3045                      4030   -985     3985       
                                                                     
 COOLING                                                             
  YESTERDAY       24                        12     12       14       
  MONTH TO DATE  195                       196     -1      283       
  SINCE JUN 1    195                       196     -1      283       
  SINCE JAN 1    454                       330    124      483       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     5.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           300 AM                                     
 LOWEST     33           200 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86       101      1988                    
 MINIMUM TEMPERATURE (F)   68        51      1992                    
                                             1940                    
                                             1897                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 22 2012..........SUNRISE   543 AM EDT   SUNSET   837 PM EDT   
JUNE 23 2012..........SUNRISE   544 AM EDT   SUNSET   837 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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