622

CDUS41 KLWX 220536

CLIDCA





CLIMATE REPORT

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  

1235 AM EST SUN NOV 22 2009





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



...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR NOVEMBER 21 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         60    300 PM  79    1900  55      5       40       

  MINIMUM         43    548 AM  18    1872  38      5       28       

  AVERAGE         52                        47      5       34      

                                                                     

PRECIPITATION (IN)                                                   

  YESTERDAY        0.00          2.52 1952   0.10  -0.10      T      

  MONTH TO DATE    3.03                      2.13   0.90     1.61    

  SINCE SEP 1     12.05                      9.14   2.91     9.15    

  SINCE JAN 1     38.71                     35.40   3.31    42.70    

                                                                     

SNOWFALL (IN)                                                        

  YESTERDAY        0.0                       T      0.0              

  MONTH TO DATE    0.0                       T      0.0              

  SINCE JUL 1      0.0                       T      0.0              

  SNOW DEPTH       0                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  YESTERDAY       13                        18     -5       31       

  MONTH TO DATE  231                       303    -72      311       

  SINCE SEP 1    447                       527    -80      538       

  SINCE JUL 1    447                       534    -87      538       

                                                                     

 COOLING                                                             

  YESTERDAY        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    12   HIGHEST WIND DIRECTION     N (350)      

  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     N (340)      

  AVERAGE WIND SPEED     4.9                                         



                                                                     

SKY COVER                                                            

  POSSIBLE SUNSHINE  MM                                              

  AVERAGE SKY COVER 0.6                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        

  NO SIGNIFICANT WEATHER WAS OBSERVED.                               



                                                                     

RELATIVE HUMIDITY (PERCENT)                                          

 HIGHEST    76           200 AM                                     

 LOWEST     47           100 PM                                     

 AVERAGE    62                                                       



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



                                                                     

THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   55        77      2007                    

 MINIMUM TEMPERATURE (F)   38        12      1880                    



                                                                     

SUNRISE AND SUNSET                                                   

NOVEMBER 22 2009......SUNRISE   659 AM EST   SUNSET   450 PM EST   

NOVEMBER 23 2009......SUNRISE   700 AM EST   SUNSET   449 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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