AFOS product CLIDCA
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187 
CDUS41 KLWX 190523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
123 AM EDT SAT SEP 19 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 18 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         87    231 PM  91    1927  79      8       81       
                                      1921                          
                                      1898                          
  MINIMUM         65    637 AM  45    1937  62      3       64       
  AVERAGE         76                        70      6       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.28 2003   0.13  -0.13     0.00    
  MONTH TO DATE    0.27                      2.15  -1.88     0.43    
  SINCE SEP 1      0.27                      2.15  -1.88     0.43    
  SINCE JAN 1     33.16                     28.55   4.61    34.10    
                                                                     
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                         3     -3        0       
  SINCE SEP 1      0                         3     -3        0       
  SINCE JUL 1      0                         3     -3        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         6      5        8       
  MONTH TO DATE  227                       153     74      212       
  SINCE SEP 1    227                       153     74      212       
  SINCE JAN 1   1901                      1464    437     1605       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     32           200 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        96      1895                    
 MINIMUM TEMPERATURE (F)   61        44      1916                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 19 2015.....SUNRISE   653 AM EDT   SUNSET   710 PM EDT   
SEPTEMBER 20 2015.....SUNRISE   654 AM EDT   SUNSET   709 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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