AFOS product CLIDCA
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CDUS41 KLWX 170523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT SAT OCT 17 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 16 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         67    309 PM  89    1897  68     -1       68       
                                      1881                          
  MINIMUM         51    646 AM  30    1876  50      1       60       
  AVERAGE         59                        59      0       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.38 2002   0.11  -0.11     0.02    
  MONTH TO DATE    2.33                      1.77   0.56     2.36    
  SINCE SEP 1      4.48                      5.49  -1.01     3.47    
  SINCE JAN 1     37.37                     31.89   5.48    37.14    
                                                                     
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        6                         6      0        1       
  MONTH TO DATE   66                        75     -9       34       
  SINCE SEP 1     66                        99    -33       34       
  SINCE JUL 1     66                        99    -33       34       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   16                        28    -12       41       
  SINCE SEP 1    319                       230     89      314       
  SINCE JAN 1   1993                      1541    452     1707       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    77          1200 AM                                     
 LOWEST     34           300 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        86      1938                    
                                             1908                    
 MINIMUM TEMPERATURE (F)   50        33      1893                    
                                             1886                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 17 2015.......SUNRISE   719 AM EDT   SUNSET   627 PM EDT   
OCTOBER 18 2015.......SUNRISE   720 AM EDT   SUNSET   626 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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