AFOS product CLIDCA
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CDUS41 KLWX 200533
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
133 AM EDT TUE SEP 20 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 19 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         78    821 AM  96    1895  78      0       87       
  MINIMUM         73   1159 PM  44    1916  61     12       67       
  AVERAGE         76                        70      6       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.46          1.23 1875   0.14   0.32     0.00    
  MONTH TO DATE    0.51                      2.29  -1.78     0.27    
  SINCE SEP 1      0.51                      2.29  -1.78     0.27    
  SINCE JAN 1     25.44                     28.69  -3.25    33.16    
                                                                     
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                         1     -1        0       
  MONTH TO DATE    0                         4     -4        0       
  SINCE SEP 1      0                         4     -4        0       
  SINCE JUL 1      0                         4     -4        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         6      5       12       
  MONTH TO DATE  265                       159    106      239       
  SINCE SEP 1    265                       159    106      239       
  SINCE JAN 1   1851                      1470    381     1913       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 PM                                     
 LOWEST     82           700 AM                                     
 AVERAGE    91                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        94      1895                    
 MINIMUM TEMPERATURE (F)   61        41      1916                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 20 2016.....SUNRISE   654 AM EDT   SUNSET   708 PM EDT   
SEPTEMBER 21 2016.....SUNRISE   655 AM EDT   SUNSET   706 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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