AFOS product CLIDCA
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CDUS41 KLWX 170522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT FRI APR 17 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 16 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         74    252 PM  92    2002  67      7       51       
  MINIMUM         52    617 AM  29    1928  47      5       34       
  AVERAGE         63                        57      6       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          2.09 1929   0.10  -0.06     0.00    
  MONTH TO DATE    1.27                      1.67  -0.40     2.01    
  SINCE MAR 1      5.31                      5.15   0.16     6.27    
  SINCE JAN 1     10.72                     10.58   0.14    12.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1988   0.0    0.0              
                                      1937                          
                                      1935                          
  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        2                         9     -7       22       
  MONTH TO DATE  108                       175    -67      123       
  SINCE MAR 1    711                       743    -32      801       
  SINCE JUL 1   3835                      3851    -16     3967       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    3                         7     -4       21       
  SINCE MAR 1      3                         9     -6       21       
  SINCE JAN 1      3                         9     -6       21       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     6.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    64           200 AM                                     
 LOWEST     23           100 PM                                     
 AVERAGE    44                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        95      2002                    
 MINIMUM TEMPERATURE (F)   48        26      1875                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 17 2015.........SUNRISE   629 AM EDT   SUNSET   747 PM EDT   
APRIL 18 2015.........SUNRISE   628 AM EDT   SUNSET   748 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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