AFOS product CLIBWI
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CDUS41 KLWX 310523
CLIBWI


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
1223 AM EST SUN DEC 31 2017


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 30 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         33    303 PM  68    1990  42     -9       42       
  MINIMUM         19   1157 PM  -3    1880  25     -6       28       
  AVERAGE         26                        34     -8       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          1.29 1877   0.09  -0.03      T      
  MONTH TO DATE    0.94                      3.28  -2.34     2.77    
  SINCE DEC 1      0.94                      3.28  -2.34     2.77    
  SINCE JAN 1     38.27                     41.79  -3.52    40.52    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.5           2.3  1935   0.2    0.3              
  MONTH TO DATE    4.3                       2.9    1.4              
  SINCE JUL 1      4.3                       3.3    1.0              
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       39                        31      8       30       
  MONTH TO DATE  858                       846     12      790       
  SINCE DEC 1    858                       846     12      790       
  SINCE JUL 1   1605                      1750   -145     1489       
                                                                     
 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    23   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     6.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           900 AM                                     
 LOWEST     45          1000 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        72      1992                    
 MINIMUM TEMPERATURE (F)   25        -1      1880                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 31 2017......SUNRISE   726 AM EST   SUNSET   454 PM EST   
JANUARY  1 2018.......SUNRISE   726 AM EST   SUNSET   455 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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