AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
055 
CDUS41 KLWX 180523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
123 AM EDT SUN OCT 18 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 17 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         60   1257 PM  86    1938  68     -8       75       
                                      1908                          
  MINIMUM         44   1156 PM  33    1893  50     -6       56       
                                      1886                          
  AVERAGE         52                        59     -7       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.52 1932   0.10  -0.10     0.00    
  MONTH TO DATE    2.33                      1.87   0.46     2.36    
  SINCE SEP 1      4.48                      5.59  -1.11     3.47    
  SINCE JAN 1     37.37                     31.99   5.38    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       13                         7      6        0       
  MONTH TO DATE   79                        82     -3       34       
  SINCE SEP 1     79                       106    -27       34       
  SINCE JUL 1     79                       106    -27       34       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        1       
  MONTH TO DATE   16                        29    -13       42       
  SINCE SEP 1    319                       231     88      315       
  SINCE JAN 1   1993                      1542    451     1708       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     9.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    61           100 AM                                     
 LOWEST     36           200 PM                                     
 AVERAGE    49                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        85      1938                    
                                             1881                    
 MINIMUM TEMPERATURE (F)   50        34      1876                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 18 2015.......SUNRISE   720 AM EDT   SUNSET   626 PM EDT   
OCTOBER 19 2015.......SUNRISE   721 AM EDT   SUNSET   624 PM EDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$