AFOS product CLIBWI
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CDUS41 KLWX 130521
CLIBWI


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


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

...THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 12 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         47    212 PM  71    2015  46      1       53       
                                      1979                          
  MINIMUM         23   1159 PM  10    1988  29     -6       34       
  AVERAGE         35                        38     -3       44      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.44 1983   0.11  -0.11     0.17    
  MONTH TO DATE    0.42                      1.41  -0.99     1.40    
  SINCE DEC 1      0.42                      1.41  -0.99     1.40    
  SINCE JAN 1     37.75                     39.92  -2.17    39.15    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           6.7  1982   0.0    0.0              
  MONTH TO DATE    2.8                       0.9    1.9              
  SINCE JUL 1      2.8                       1.3    1.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       30                        28      2       21       
  MONTH TO DATE  300                       310    -10      288       
  SINCE DEC 1    300                       310    -10      288       
  SINCE JUL 1   1047                      1214   -167      987       
                                                                     
 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    30   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    11.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           500 AM                                     
 LOWEST     44           600 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        72      2015                    
 MINIMUM TEMPERATURE (F)   29         8      1960                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 13 2017......SUNRISE   718 AM EST   SUNSET   444 PM EST   
DECEMBER 14 2017......SUNRISE   718 AM EST   SUNSET   445 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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