AFOS product CLIDCA
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CDUS41 KLWX 210525
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
125 AM EDT THU JUN 21 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 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         98    235 PM  99    1931  86     12       80       
  MINIMUM         74    514 AM  54    1926  68      6       67       
                                      1900                          
                                      1879                          
  AVERAGE         86                        77      9       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.35 1983   0.12  -0.12     0.34    
  MONTH TO DATE    1.79                      2.52  -0.73     1.65    
  SINCE JUN 1      1.79                      2.52  -0.73     1.65    
  SINCE JAN 1     12.53                     18.48  -5.95    15.32    
                                                                     
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       21                        12      9        9       
  MONTH TO DATE  171                       184    -13      269       
  SINCE JUN 1    171                       184    -13      269       
  SINCE JAN 1    430                       318    112      469       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           500 AM                                     
 LOWEST     35           200 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86        98      1988                    
                                             1933                    
                                             1923                    
 MINIMUM TEMPERATURE (F)   68        51      1940                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 21 2012..........SUNRISE   543 AM EDT   SUNSET   837 PM EDT   
JUNE 22 2012..........SUNRISE   543 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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