AFOS product CLIDCA
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CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
123 AM EDT THU APR 12 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 11 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    320 PM  91    1930  65     -9       84       
  MINIMUM         40    530 AM  26    1909  46     -6       56       
  AVERAGE         48                        55     -7       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.93 1919   0.10  -0.09      T      
  MONTH TO DATE    0.16                      1.19  -1.03     0.90    
  SINCE MAR 1      1.18                      4.67  -3.49     5.30    
  SINCE JAN 1      5.70                     10.10  -4.40     9.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1894   0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      2.0                      14.5  -12.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        10      7        0       
  MONTH TO DATE   93                       128    -35      133       
  SINCE MAR 1    365                       696   -331      727       
  SINCE JUL 1   2914                      3804   -890     3845       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        5       
  MONTH TO DATE    0                         2     -2        7       
  SINCE MAR 1     23                         4     19        7       
  SINCE JAN 1     23                         4     19        7       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    11.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    65          1100 PM                                     
 LOWEST     35           400 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        90      1977                    
 MINIMUM TEMPERATURE (F)   46        24      1874                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 12 2012.........SUNRISE   635 AM EDT   SUNSET   743 PM EDT   
APRIL 13 2012.........SUNRISE   634 AM EDT   SUNSET   744 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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