AFOS product CLIDCA
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CDUS41 KLWX 110527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
127 AM EDT WED APR 11 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 10 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         68    324 PM  89    1922  65      3       63       
  MINIMUM         45    605 AM  28    1997  45      0       49       
  AVERAGE         57                        55      2       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.57 1918   0.11  -0.11     0.00    
  MONTH TO DATE    0.15                      1.09  -0.94     0.90    
  SINCE MAR 1      1.17                      4.57  -3.40     5.30    
  SINCE JAN 1      5.69                     10.00  -4.31     9.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1975   0.0    0.0              
                                      1973                          
                                      1937                          
  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        8                        10     -2        9       
  MONTH TO DATE   76                       118    -42      133       
  SINCE MAR 1    348                       686   -338      727       
  SINCE JUL 1   2897                      3794   -897     3845       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         1     -1        2       
  SINCE MAR 1     23                         3     20        2       
  SINCE JAN 1     23                         3     20        2       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (360)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
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    71           200 AM                                     
 LOWEST     20           200 PM                                     
 AVERAGE    46                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        91      1930                    
 MINIMUM TEMPERATURE (F)   46        26      1909                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 11 2012.........SUNRISE   637 AM EDT   SUNSET   742 PM EDT   
APRIL 12 2012.........SUNRISE   635 AM EDT   SUNSET   743 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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