315

CDUS41 KLWX 072154

CLIDCA





CLIMATE REPORT

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  

454 PM EST SAT NOV 7 2009





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



...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR NOVEMBER 7 2009...

VALID TODAY AS OF 0400 PM LOCAL TIME.



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)                                                     

 TODAY                                                               

  MAXIMUM         60    231 PM  77    1975  60      0       70       

                                      1938                          

  MINIMUM         35    650 AM  27    1930  42     -7       54       

  AVERAGE         48                        51     -3       62      

                                                                     

PRECIPITATION (IN)                                                   

  TODAY            0.00          2.00 1997   0.10  -0.10     0.00    

  MONTH TO DATE    0.56                      0.70  -0.14     0.10    

  SINCE SEP 1      9.58                      7.71   1.87     7.64    

  SINCE JAN 1     36.24                     33.97   2.27    41.19    

                                                                     

SNOWFALL (IN)                                                        

  TODAY            0.0                       0.0    0.0              

  MONTH TO DATE    0.0                       0.0    0.0              

  SINCE JUL 1      0.0                       T      0.0              

  SNOW DEPTH       0                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  TODAY           17                        13      4        3       

  MONTH TO DATE   98                        86     12       47       

  SINCE SEP 1    314                       310      4      274       

  SINCE JUL 1    314                       317     -3      274       

                                                                     

 COOLING                                                             

  TODAY            0                         0      0        0       

  MONTH TO DATE    0                         0      0        0       

  SINCE SEP 1    186                       228    -42      324       

  SINCE JAN 1   1433                      1527    -94     1713       

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





WIND (MPH)                                                           

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (210)      

  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (190)      

  AVERAGE WIND SPEED     6.1                                         



                                                                     

SKY COVER                                                            

  POSSIBLE SUNSHINE  MM                                              

  AVERAGE SKY COVER 0.4                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED TODAY.                            

  NO SIGNIFICANT WEATHER WAS OBSERVED.                               



                                                                     

RELATIVE HUMIDITY (PERCENT)                                          

 HIGHEST    82           400 AM                                     

 LOWEST     40           100 PM                                     

 AVERAGE    61                                                       



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



                                                                     

THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   60        81      1975                    

 MINIMUM TEMPERATURE (F)   42        27      1930                    



                                                                     

SUNRISE AND SUNSET                                                   

NOVEMBER  7 2009......SUNRISE   642 AM EST   SUNSET   501 PM EST   

NOVEMBER  8 2009......SUNRISE   643 AM EST   SUNSET   500 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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