AFOS product CLIDCA
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CDUS41 KLWX 180529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT SAT APR 18 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         79    405 PM  95    2002  67     12       56       
  MINIMUM         59    618 AM  26    1875  48     11       39       
  AVERAGE         69                        57     12       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          2.74 1910   0.09  -0.06     0.00    
  MONTH TO DATE    1.30                      1.76  -0.46     2.01    
  SINCE MAR 1      5.34                      5.24   0.10     6.27    
  SINCE JAN 1     10.75                     10.67   0.08    12.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1905   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1     18.3                      15.4    2.9              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         8     -8       17       
  MONTH TO DATE  108                       183    -75      140       
  SINCE MAR 1    711                       751    -40      818       
  SINCE JUL 1   3835                      3859    -24     3984       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         1      3        0       
  MONTH TO DATE    7                         8     -1       21       
  SINCE MAR 1      7                        10     -3       21       
  SINCE JAN 1      7                        10     -3       21       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     5.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           500 AM                                     
 LOWEST     50           500 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        95      1976                    
 MINIMUM TEMPERATURE (F)   48        25      1875                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 18 2015.........SUNRISE   628 AM EDT   SUNSET   748 PM EDT   
APRIL 19 2015.........SUNRISE   626 AM EDT   SUNSET   749 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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