AFOS product CLIDCA
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CDUS41 KLWX 100529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
126 AM EDT THU SEP 10 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 9 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         94    323 PM  98    1872  82     12       79       
  MINIMUM         75    443 AM  48    1901  65     10       70       
  AVERAGE         85                        74     11       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.48 1880   0.12  -0.12      T      
  MONTH TO DATE    T                         1.00  -1.00     0.20    
  SINCE SEP 1      T                         1.00  -1.00     0.20    
  SINCE JAN 1     32.89                     27.40   5.49    33.87    
                                                                     
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       20                         9     11       10       
  MONTH TO DATE  157                        89     68      149       
  SINCE SEP 1    157                        89     68      149       
  SINCE JAN 1   1831                      1400    431     1542       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     8.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    94           300 AM                                     
 LOWEST     44           300 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82        98      1983                    
 MINIMUM TEMPERATURE (F)   65        44      1883                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 10 2015.....SUNRISE   645 AM EDT   SUNSET   725 PM EDT   
SEPTEMBER 11 2015.....SUNRISE   646 AM EDT   SUNSET   723 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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