163  
CDUS41 KLWX 172132  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
429 PM EST TUE DEC 17 2019  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 17 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 40 359 PM 68 1984 45 -5 55  
MINIMUM 36 249 AM 5 1951 28 8 37  
AVERAGE 38 36 2 46  
 
PRECIPITATION (IN)  
TODAY 0.14 2.47 1888 0.10 0.04 0.00  
MONTH TO DATE 2.74 1.95 0.79 3.54  
SINCE DEC 1 2.74 1.95 0.79 3.54  
SINCE JAN 1 37.30 40.46 -3.16 68.82  
 
SNOWFALL (IN)  
TODAY 0.0 11.5 1932 0.1 -0.1  
MONTH TO DATE 0.3 1.4 -1.1  
SINCE JUL 1 0.3 1.8 -1.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 29 -2 19  
MONTH TO DATE 420 452 -32 442  
SINCE DEC 1 420 452 -32 442  
SINCE JUL 1 1181 1356 -175 1355  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1758 1164 594 1615    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 92 1200 AM  
AVERAGE 96  
   
......................................................
 
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 72 2006  
MINIMUM TEMPERATURE (F) 27 7 1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2019......SUNRISE 720 AM EST SUNSET 445 PM EST  
DECEMBER 18 2019......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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