430  
CDUS41 KLWX 182123  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
423 PM EST WED DEC 18 2019  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 18 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 41 121 PM 72 2006 44 -3 45  
MINIMUM 30 747 AM 7 1919 27 3 24  
AVERAGE 36 36 0 35  
 
PRECIPITATION (IN)  
TODAY T 3.36 1977 0.11 -0.11 0.00  
MONTH TO DATE 2.74 2.06 0.68 3.54  
SINCE DEC 1 2.74 2.06 0.68 3.54  
SINCE JAN 1 37.30 40.57 -3.27 68.82  
 
SNOWFALL (IN)  
TODAY MM 4.0 1916 0.1 MM  
MONTH TO DATE 0.3 1.5 -1.2  
SINCE JUL 1 0.3 1.9 -1.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 29 29 0 30  
MONTH TO DATE 448 481 -33 472  
SINCE DEC 1 448 481 -33 472  
SINCE JUL 1 1209 1385 -176 1385  
 
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 26 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 100 AM  
LOWEST 40 1100 AM  
AVERAGE 55  
   
......................................................
 
 
 
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 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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