920

CDUS41 KLWX 220519

CLIDCA





CLIMATE REPORT

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  

119 AM EDT MON MAR 22 2010





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



...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MARCH 21 2010...



CLIMATE NORMAL PERIOD 1971 TO 2000

CLIMATE RECORD PERIOD 1871 TO 2010





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL             

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

TEMPERATURE (F)                                                     

 YESTERDAY                                                           

  MAXIMUM         76    140 PM  89    1921  57     19       51       

  MINIMUM         49    559 AM  10    1885  39     10       29       

  AVERAGE         63                        48     15       40      

                                                                     

PRECIPITATION (IN)                                                   

  YESTERDAY        0.00          2.15 1918   0.12  -0.12     0.00    

  MONTH TO DATE    1.63                      2.48  -0.85     0.87    

  SINCE MAR 1      1.63                      2.48  -0.85     0.87    

  SINCE JAN 1      5.91                      8.32  -2.41     3.90    

                                                                     

SNOWFALL (IN)                                                        

  YESTERDAY        0.0           5.3  1924   T      0.0              

  MONTH TO DATE    T                         1.6   -1.6              

  SINCE JUL 1     56.1                      15.2   40.9              

  SNOW DEPTH       0                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  YESTERDAY        2                        17    -15       25       

  MONTH TO DATE  299                       415   -116      442       

  SINCE MAR 1    299                       415   -116      442       

  SINCE JUL 1   3496                      3557    -61     3697       

                                                                     

 COOLING                                                             

  YESTERDAY        0                         0      0        0       

  MONTH TO DATE    0                         0      0        0       

  SINCE MAR 1      0                         0      0        0       

  SINCE JAN 1      0                         0      0        0       

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





WIND (MPH)                                                           

  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (210)      

  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (210)      

  AVERAGE WIND SPEED     7.6                                         



                                                                     

SKY COVER                                                            

  POSSIBLE SUNSHINE  MM                                              

  AVERAGE SKY COVER 0.8                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        

  NO SIGNIFICANT WEATHER WAS OBSERVED.                               



                                                                     

RELATIVE HUMIDITY (PERCENT)                                          

 HIGHEST    71           300 AM                                     

 LOWEST     27           200 PM                                     

 AVERAGE    49                                                       



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



                                                                     

THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   58        90      1907                    

 MINIMUM TEMPERATURE (F)   39        17      1892                    

                                             1885                    



                                                                     

SUNRISE AND SUNSET                                                   

MARCH 22 2010.........SUNRISE   709 AM EDT   SUNSET   722 PM EDT   

MARCH 23 2010.........SUNRISE   707 AM EDT   SUNSET   723 PM EDT   



                                                                    

-  INDICATES NEGATIVE NUMBERS.                                      

R  INDICATES RECORD WAS SET OR TIED.                                

MM INDICATES DATA IS MISSING.                                       

T  INDICATES TRACE AMOUNT.                                          









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