AFOS product CLIDCA
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CDUS41 KLWX 180521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1221 AM EST SAT FEB 18 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR FEBRUARY 17 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         54    418 PM  79    1976  48      6       72       
  MINIMUM         39    721 AM   5    1958  31      8       43       
                                      1904                          
  AVERAGE         47                        39      8       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.91 1982   0.09  -0.09     0.00    
  MONTH TO DATE    0.50                      1.60  -1.10     0.92    
  SINCE DEC 1      7.59                      7.46   0.13     4.95    
  SINCE JAN 1      2.69                      4.41  -1.72     3.17    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           8.5  1900   0.2   -0.2              
  MONTH TO DATE    0.3                       3.1   -2.8              
  SINCE JUL 1      2.0                      11.5   -9.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        26     -8        7       
  MONTH TO DATE  376                       460    -84      440       
  SINCE DEC 1   1735                      2145   -410     2338       
  SINCE JUL 1   2330                      2840   -510     2910       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     32           300 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   48        77      2011                    
 MINIMUM TEMPERATURE (F)   31         3      1903                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 18 2012......SUNRISE   656 AM EST   SUNSET   548 PM EST   
FEBRUARY 19 2012......SUNRISE   655 AM EST   SUNSET   550 PM EST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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