AFOS product CLIDCA
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CDUS41 KLWX 150522
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
122 AM EDT THU MAR 15 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MARCH 14 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         81    343 PM  86    1990  55     26       53       
  MINIMUM         54    633 AM  13    1888  37     17       37       
  AVERAGE         68                        46     22       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.66 1940   0.11  -0.11     0.00    
  MONTH TO DATE    0.57                      1.41  -0.84     2.88    
  SINCE MAR 1      0.57                      1.41  -0.84     2.88    
  SINCE JAN 1      5.09                      6.84  -1.75     7.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           4.0  1937   0.1   -0.1              
  MONTH TO DATE    T                         1.0   -1.0              
  SINCE JUL 1      2.0                      14.2  -12.2              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        19    -19       20       
  MONTH TO DATE  174                       294   -120      290       
  SINCE MAR 1    174                       294   -120      290       
  SINCE JUL 1   2723                      3402   -679     3408       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         0      3        0       
  MONTH TO DATE    7                         0      7        0       
  SINCE MAR 1      7                         0      7        0       
  SINCE JAN 1      7                         0      7        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     5.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           400 AM                                     
 LOWEST     23           100 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        81      1990                    
 MINIMUM TEMPERATURE (F)   37        15      1993                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 15 2012.........SUNRISE   719 AM EDT   SUNSET   716 PM EDT   
MARCH 16 2012.........SUNRISE   717 AM EDT   SUNSET   717 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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