AFOS product CLIDCA
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CDUS41 KLWX 040531
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
130 AM EDT SUN SEP 4 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 3 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         82    348 PM  98    1953  84     -2       96       
  MINIMUM         70    611 AM  48    1909  67      3       74       
                                      1892                          
  AVERAGE         76                        75      1       85      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.67 1974   0.12  -0.12      T      
  MONTH TO DATE    0.03                      0.33  -0.30      T      
  SINCE SEP 1      0.03                      0.33  -0.30      T      
  SINCE JAN 1     24.96                     26.73  -1.77    32.89    
                                                                     
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                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1      0                         0      0        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       11                        10      1       20       
  MONTH TO DATE   33                        32      1       58       
  SINCE SEP 1     33                        32      1       58       
  SINCE JAN 1   1619                      1343    276     1732       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION    NE (40)       
  AVERAGE WIND SPEED    14.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73           300 AM                                     
 LOWEST     42           400 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   84        95      2008                    
                                             1985                    
 MINIMUM TEMPERATURE (F)   67        49      1908                    
                                             1872                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  4 2016.....SUNRISE   640 AM EDT   SUNSET   733 PM EDT   
SEPTEMBER  5 2016.....SUNRISE   641 AM EDT   SUNSET   731 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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