AFOS product CLIDCA
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CDUS41 KLWX 110524
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
124 AM EDT SUN SEP 11 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 10 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         95    305 PM  98    1983  82     13       84       
  MINIMUM         77    636 AM  44    1883  65     12       70       
  AVERAGE         86                        73     13       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.79 1950   0.11  -0.11     0.11    
  MONTH TO DATE    0.05                      1.11  -1.06     0.11    
  SINCE SEP 1      0.05                      1.11  -1.06     0.11    
  SINCE JAN 1     24.98                     27.51  -2.53    33.00    
                                                                     
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       21                         8     13       12       
  MONTH TO DATE  158                        97     61      169       
  SINCE SEP 1    158                        97     61      169       
  SINCE JAN 1   1744                      1408    336     1843       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED    10.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           200 AM                                     
 LOWEST     52           200 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        98      1983                    
 MINIMUM TEMPERATURE (F)   64        40      1917                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 11 2016.....SUNRISE   646 AM EDT   SUNSET   722 PM EDT   
SEPTEMBER 12 2016.....SUNRISE   647 AM EDT   SUNSET   720 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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