AFOS product CLIDCA
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CDUS41 KLWX 280521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
121 AM EDT WED MAR 28 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MARCH 27 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         56    409 PM  86    1921  60     -4       46       
  MINIMUM         34    616 AM  20    1894  41     -7       31       
  AVERAGE         45                        50     -5       39      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.81 1919   0.13  -0.13     0.02    
  MONTH TO DATE    1.01                      2.99  -1.98     4.21    
  SINCE MAR 1      1.01                      2.99  -1.98     4.21    
  SINCE JAN 1      5.53                      8.42  -2.89     8.58    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.0  1891   0.0    0.0              
  MONTH TO DATE    T                         1.3   -1.3              
  SINCE JUL 1      2.0                      14.5  -12.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                        15      5       26       
  MONTH TO DATE  236                       511   -275      499       
  SINCE MAR 1    236                       511   -275      499       
  SINCE JUL 1   2785                      3619   -834     3617       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   23                         0     23        0       
  SINCE MAR 1     23                         0     23        0       
  SINCE JAN 1     23                         0     23        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED     7.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    39          1100 PM                                     
 LOWEST     16           400 PM                                     
 AVERAGE    28                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        85      1945                    
 MINIMUM TEMPERATURE (F)   41        21      1894                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 28 2012.........SUNRISE   658 AM EDT   SUNSET   728 PM EDT   
MARCH 29 2012.........SUNRISE   657 AM EDT   SUNSET   729 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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