938  
CDUS41 KLWX 110527  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1227 AM EST WED DEC 11 2019  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 10 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 59 1012 AM 72 1966 47 12 39  
MINIMUM 38 1159 PM 1 1876 29 9 25  
AVERAGE 49 38 11 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 2.85 1878 0.12 0.01 0.00  
MONTH TO DATE 1.70 1.18 0.52 0.39  
SINCE DEC 1 1.70 1.18 0.52 0.39  
SINCE JAN 1 36.26 39.69 -3.43 65.67  
 
SNOWFALL (IN)  
YESTERDAY T 9.5 1904 0.1 -0.1  
MONTH TO DATE T 0.8 -0.8  
SINCE JUL 1 T 1.2 -1.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 27 -11 33  
MONTH TO DATE 236 255 -19 281  
SINCE DEC 1 236 255 -19 281  
SINCE JUL 1 997 1159 -162 1194  
 
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 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SLEET  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 AM  
LOWEST 76 800 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 69 1979  
MINIMUM TEMPERATURE (F) 29 9 1968  
 
 
SUNRISE AND SUNSET  
DECEMBER 11 2019......SUNRISE 716 AM EST SUNSET 444 PM EST  
DECEMBER 12 2019......SUNRISE 716 AM EST SUNSET 444 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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