AFOS product CLIDCA
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CDUS41 KLWX 220523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1223 AM EST WED FEB 22 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR FEBRUARY 21 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         50    519 PM  75    1953  49      1       55       
  MINIMUM         32    710 AM   7    1885  32      0       30       
  AVERAGE         41                        40      1       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.44 1902   0.10  -0.10     0.14    
  MONTH TO DATE    0.58                      1.97  -1.39     1.06    
  SINCE DEC 1      7.67                      7.83  -0.16     5.09    
  SINCE JAN 1      2.77                      4.78  -2.01     3.31    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           7.5  1929   0.1   -0.1              
  MONTH TO DATE    0.3                       3.7   -3.4              
  SINCE JUL 1      2.0                      12.1  -10.1              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                        25     -1       22       
  MONTH TO DATE  466                       560    -94      502       
  SINCE DEC 1   1825                      2245   -420     2400       
  SINCE JUL 1   2420                      2940   -520     2972       
                                                                     
 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    24   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75           500 AM                                     
 LOWEST     39           400 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   49        77      1874                    
 MINIMUM TEMPERATURE (F)   32         9      1963                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 22 2012......SUNRISE   651 AM EST   SUNSET   553 PM EST   
FEBRUARY 23 2012......SUNRISE   650 AM EST   SUNSET   554 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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