126

CDUS41 KLWX 070523

CLIDCA



CLIMATE REPORT

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  

1221 AM EST WED JAN 7 2009

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



...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 6 2009...



CLIMATE NORMAL PERIOD 1971 TO 2000

CLIMATE RECORD PERIOD 1871 TO 2009





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL             

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

TEMPERATURE (F)                                                     

 YESTERDAY                                                           

  MAXIMUM         41   1254 AM  73    2007  43     -2       55       

  MINIMUM         32    825 PM   2    1884  28      4       38       

  AVERAGE         37                        35      2       47      

                                                                     

PRECIPITATION (IN)                                                   

  YESTERDAY        0.52          1.35 1905   0.10   0.42     0.20    

  MONTH TO DATE    0.52                      0.60  -0.08     0.20    

  SINCE DEC 1      3.49                      3.65  -0.16     3.48    

  SINCE JAN 1      0.52                      0.60  -0.08     0.20    

                                                                     

SNOWFALL (IN)                                                        

  YESTERDAY        T                         0.2   -0.2              

  MONTH TO DATE    T                         1.1   -1.1              

  SINCE JUL 1      T                         3.3   -3.3              

  SNOW DEPTH       0                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  YESTERDAY       28                        29     -1       18       

  MONTH TO DATE  168                       173     -5      171       

  SINCE DEC 1    927                       948    -21      884       

  SINCE JUL 1   1697                      1656     41     1419       

                                                                     

 COOLING                                                             

  YESTERDAY        0                         0      0        0       

  MONTH TO DATE    0                         0      0        0       

  SINCE DEC 1      0                         0      0        0       

  SINCE JAN 1      0                         0      0        0       

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





WIND (MPH)                                                           

  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (70)       

  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (70)       

  AVERAGE WIND SPEED     7.5                                         



                                                                     

SKY COVER                                                            

  POSSIBLE SUNSHINE  MM                                              

  AVERAGE SKY COVER 1.0                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        

  RAIN                                                               

  LIGHT RAIN                                                         

  SLEET                                                              

  FOG                                                                



                                                                     

RELATIVE HUMIDITY (PERCENT)                                          

 HIGHEST    89          1200 PM                                     

 LOWEST     34          1200 AM                                     

 AVERAGE    62                                                       



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



                                                                     

THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   43        76      1907                    

 MINIMUM TEMPERATURE (F)   28         5      1884                    



                                                                     

SUNRISE AND SUNSET                                                   

JANUARY  7 2009.......SUNRISE   727 AM EST   SUNSET   503 PM EST   

JANUARY  8 2009.......SUNRISE   727 AM EST   SUNSET   504 PM EST   



                                                                    

-  INDICATES NEGATIVE NUMBERS.                                      

R  INDICATES RECORD WAS SET OR TIED.                                

MM INDICATES DATA IS MISSING.                                       

T  INDICATES TRACE AMOUNT.                                          









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