AFOS product CLIDCA
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CDUS41 KLWX 120529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT MON SEP 12 2016


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 11 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         86    257 PM  98    1983  81      5       87       
  MINIMUM         70   1159 PM  40    1917  64      6       65       
  AVERAGE         78                        73      5       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.85 1882   0.12  -0.12     0.00    
  MONTH TO DATE    0.05                      1.23  -1.18     0.11    
  SINCE SEP 1      0.05                      1.23  -1.18     0.11    
  SINCE JAN 1     24.98                     27.63  -2.65    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       13                         8      5       11       
  MONTH TO DATE  171                       105     66      180       
  SINCE SEP 1    171                       105     66      180       
  SINCE JAN 1   1757                      1416    341     1854       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    10.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85          1200 AM                                     
 LOWEST     34           200 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        96      1931                    
                                             1895                    
 MINIMUM TEMPERATURE (F)   64        41      1917                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 12 2016.....SUNRISE   647 AM EDT   SUNSET   720 PM EDT   
SEPTEMBER 13 2016.....SUNRISE   648 AM EDT   SUNSET   719 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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