AFOS product CLIBWI
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CDUS41 KLWX 200526
CLIBWI


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1224 AM EST WED DEC 20 2017


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         60    204 PM  66    1931  44     16       35       
                                      1924                          
  MINIMUM         39    403 AM   6    1989  27     12       28       
  AVERAGE         50                        36     14       32      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.58 1936   0.10  -0.10     0.00    
  MONTH TO DATE    0.52                      2.16  -1.64     2.00    
  SINCE DEC 1      0.52                      2.16  -1.64     2.00    
  SINCE JAN 1     37.85                     40.67  -2.82    39.75    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          17.0  2009   0.1   -0.1              
  MONTH TO DATE    3.8                       1.6    2.2              
  SINCE JUL 1      3.8                       2.0    1.8              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                        29    -14       33       
  MONTH TO DATE  506                       510     -4      510       
  SINCE DEC 1    506                       510     -4      510       
  SINCE JUL 1   1253                      1414   -161     1209       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1316                      1164    152     1551       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     6.2                                         

                                                                     
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    86           500 AM                                     
 LOWEST     40           100 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   44        67      1877                    
 MINIMUM TEMPERATURE (F)   27         6      1942                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2017......SUNRISE   722 AM EST   SUNSET   447 PM EST   
DECEMBER 21 2017......SUNRISE   723 AM EST   SUNSET   447 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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