AFOS product CLIDCA
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CDUS41 KLWX 100520
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1220 AM EST FRI FEB 10 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR FEBRUARY 9 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         47    434 PM  70    2001  46      1       33       
  MINIMUM         33    737 AM  -7    1899  30      3       19       
  AVERAGE         40                        38      2       26      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.92 1885   0.09  -0.09     0.01    
  MONTH TO DATE    0.30                      0.85  -0.55     0.92    
  SINCE DEC 1      7.39                      6.71   0.68     4.95    
  SINCE JAN 1      2.49                      3.66  -1.17     3.17    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.4  1906   0.2   -0.2              
  MONTH TO DATE    T                         1.7   -1.7              
  SINCE JUL 1      1.7                      10.1   -8.4              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                        27     -2       39       
  MONTH TO DATE  180                       249    -69      260       
  SINCE DEC 1   1539                      1934   -395     2158       
  SINCE JUL 1   2134                      2629   -495     2730       
                                                                     
 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    20   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85          1200 AM                                     
 LOWEST     31           500 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        68      1960                    
                                             1959                    
 MINIMUM TEMPERATURE (F)   30        -8      1899                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 10 2012......SUNRISE   706 AM EST   SUNSET   539 PM EST   
FEBRUARY 11 2012......SUNRISE   705 AM EST   SUNSET   541 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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