240  
CDUS41 KLWX 180537  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1237 AM EST WED DEC 18 2019  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 17 2019
 
 
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)  
YESTERDAY  
MAXIMUM 41 859 PM 68 1984 45 -4 55  
MINIMUM 36 249 AM 5 1951 28 8 37  
AVERAGE 39 36 3 46  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 26 29 -3 19  
MONTH TO DATE 419 452 -33 442  
SINCE DEC 1 419 452 -33 442  
SINCE JUL 1 1180 1356 -176 1355  
 
COOLING  
YESTERDAY 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 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 64 1100 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 72 2006  
MINIMUM TEMPERATURE (F) 27 7 1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2019......SUNRISE 721 AM EST SUNSET 446 PM EST  
DECEMBER 19 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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