685  
CDUS41 KLWX 100534  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1234 AM EST TUE DEC 10 2019  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 9 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 53 1159 PM 73 1966 47 6 33  
MINIMUM 43 305 AM 4 1876 30 13 28  
AVERAGE 48 38 10 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.89 1.41 2009 0.12 0.77 0.00  
MONTH TO DATE 1.57 1.06 0.51 0.39  
SINCE DEC 1 1.57 1.06 0.51 0.39  
SINCE JAN 1 36.13 39.57 -3.44 65.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 2017 0.1 -0.1  
MONTH TO DATE T 0.7 -0.7  
SINCE JUL 1 T 1.1 -1.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 27 -10 34  
MONTH TO DATE 220 228 -8 248  
SINCE DEC 1 220 228 -8 248  
SINCE JUL 1 981 1132 -151 1161  
 
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 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 AM  
LOWEST 83 1200 AM  
AVERAGE 90  
   
......................................................
 
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 72 1966  
MINIMUM TEMPERATURE (F) 29 1 1876  
 
 
SUNRISE AND SUNSET  
DECEMBER 10 2019......SUNRISE 715 AM EST SUNSET 444 PM EST  
DECEMBER 11 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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