999  
CDUS41 KLWX 180540  
CLIDMH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1240 AM EST MON DEC 18 2023  
   
...............................  
 
   
..THE BALTIMORE INNER HARBOR CLIMATE SUMMARY FOR DECEMBER 17 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1999 TO 2023  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE  
VALUE (LST) VALUE FROM  
NORMAL    
................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 11:59 PM 48 11  
MINIMUM 45 2:10 AM 34 11  
AVERAGE 52 41 11  
 
PRECIPITATION (IN)  
YESTERDAY 1.92 0.12 1.80  
MONTH TO DATE 4.49 2.05 2.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13  
 
COOLING  
YESTERDAY 0    
................................................  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 76  
AVERAGE 85  
   
......................................................  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 7:21 AM EST SUNSET 4:45 PM EST  
DECEMBER 19 2023......SUNRISE 7:21 AM EST SUNSET 4:46 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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