AFOS product CLIDMH
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CDUS41 KLWX 130521
CLIDMH


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1221 AM EST WED DEC 13 2017


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

...THE BALTIMORE INNER HARBOR MD CLIMATE SUMMARY FOR DECEMBER 12 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1999 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         48    219 PM  MM      MM  47      1       53       
  MINIMUM         25   1159 PM  MM      MM  34     -9       40       
  AVERAGE         37                        40     -3       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00         MM      MM   0.12  -0.12     0.14    
  MONTH TO DATE    0.36                      1.39  -1.03     1.16    
  SINCE DEC 1      0.36                      1.39  -1.03     1.16    
  SINCE JAN 1     34.64                     38.87  -4.23    38.39    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        25      3       18       
  MONTH TO DATE  248                       274    -26      258       
  SINCE DEC 1    248                       274    -26      258       
  SINCE JUL 1    776                       925   -149      767       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1885                      1665    220     1923       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    MM   HIGHEST WIND DIRECTION    MM            
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED    MM                                           

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              


                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70          1200 AM                                     
 LOWEST     35           800 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE BALTIMORE INNER HARBOR MD CLIMATE NORMALS FOR TODAY
                         NORMAL                                      
 MAXIMUM TEMPERATURE (F)   47                                        
 MINIMUM TEMPERATURE (F)   33                                        

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 13 2017......SUNRISE   718 AM EST   SUNSET   444 PM EST   
DECEMBER 14 2017......SUNRISE   718 AM EST   SUNSET   444 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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