AFOS product CLIDCA
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CDUS41 KLWX 150527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
127 AM EDT TUE SEP 15 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 14 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         80    429 PM  94    1981  80      0       74       
                                      1980                          
                                      1915                          
  MINIMUM         55    556 AM  46    1911  63     -8       56       
  AVERAGE         68                        72     -4       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          4.07 1966   0.13  -0.13     0.00    
  MONTH TO DATE    0.27                      1.61  -1.34     0.43    
  SINCE SEP 1      0.27                      1.61  -1.34     0.43    
  SINCE JAN 1     33.16                     28.01   5.15    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                         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        3                         7     -4        0       
  MONTH TO DATE  191                       127     64      190       
  SINCE SEP 1    191                       127     64      190       
  SINCE JAN 1   1865                      1438    427     1583       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     8.4                                         

                                                                     
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    72           300 AM                                     
 LOWEST     30           200 PM                                     
 AVERAGE    51                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        97      1930                    
                                             1927                    
 MINIMUM TEMPERATURE (F)   63        43      1902                    
                                             1899                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 15 2015.....SUNRISE   649 AM EDT   SUNSET   717 PM EDT   
SEPTEMBER 16 2015.....SUNRISE   650 AM EDT   SUNSET   715 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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