168  
CDUS41 KLWX 182123  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
423 PM EST TUE DEC 18 2018  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 18 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 45 320 PM 72 2006 44 1 56  
MINIMUM 34 627 AM 7 1919 27 7 34  
AVERAGE 40 36 4 45  
 
PRECIPITATION (IN)  
TODAY 0.00 3.36 1977 0.11 -0.11 T  
MONTH TO DATE 3.54 2.06 1.48 0.53  
SINCE DEC 1 3.54 2.06 1.48 0.53  
SINCE JAN 1 68.82 40.57 28.25 37.86  
 
SNOWFALL (IN)  
TODAY 0.0 4.0 1916 0.1 -0.1  
MONTH TO DATE 0.0 1.5 -1.5  
SINCE JUL 1 1.7 1.9 -0.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 29 -4 20  
MONTH TO DATE 467 481 -14 491  
SINCE DEC 1 467 481 -14 491  
SINCE JUL 1 1380 1385 -5 1238  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1615 1164 451 1316    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 600 AM  
LOWEST 39 400 PM  
AVERAGE 48  
   
......................................................
 
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 66 1931  
1924  
MINIMUM TEMPERATURE (F) 27 6 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2018......SUNRISE 721 AM EST SUNSET 446 PM EST  
DECEMBER 19 2018......SUNRISE 721 AM EST SUNSET 446 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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