709 
CDUS41 KLWX 102140
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
440 PM EST THU DEC 10 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 10 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE          
                VALUE   (LST)  VALUE       VALUE  FROM               
                                                  NORMAL             
...............................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         63    154 PM  67    1966  48     15                
                                      1939                          
  MINIMUM         41    800 AM   4    1876  34      7                
  AVERAGE         52                        41     11               
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            T             2.23 1878   0.11  -0.11             
  MONTH TO DATE    1.07                      1.08  -0.01             
  SINCE DEC 1      1.07                      1.08  -0.01             
  SINCE JAN 1     41.25                     37.77   3.48             
                                                                     
SNOWFALL (IN)                                                        
  TODAY           MM             7.0  1904   0.1   MM                
  MONTH TO DATE    0.0                       0.6   -0.6              
  SINCE JUL 1      0.0                       1.1   -1.1              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           13                              -11                
  MONTH TO DATE  179                              -46                
  SINCE DEC 1    179                              -46                
  SINCE JUL 1    714                             -206                
                                                                     
 COOLING                                                             
  TODAY            0                                0                
  MONTH TO DATE    0                                0                
  SINCE DEC 1      0                                0                
  SINCE JAN 1   1998                              449                
...............................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED     8   HIGHEST GUST DIRECTION     N (350)      
  AVERAGE WIND SPEED     2.2                                         



                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96                                                       
 LOWEST     47                                                       
 AVERAGE    72                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   48        68      1979                    
                                             1971                    
                                             1897                    
 MINIMUM TEMPERATURE (F)   34        12      1917                    
                                             1904                    
                                             1880                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 10 2015......SUNRISE   715 AM EST   SUNSET   446 PM EST   
DECEMBER 11 2015......SUNRISE   716 AM EST   SUNSET   446 PM EST   

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




$$