589  
CDUS41 KLWX 110522  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1222 AM EST MON DEC 11 2023  
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 6:45 PM 72 1966 49 12 45  
MINIMUM 42 11:59 PM 1 1876 31 11 26  
AVERAGE 52 40 12 36  
 
PRECIPITATION (IN)  
YESTERDAY 1.52 2.85 1878 0.13 1.39 0.00  
MONTH TO DATE 2.31 1.26 1.05 0.72  
SINCE DEC 1 2.31 1.26 1.05 0.72  
SINCE JAN 1 37.41 42.55 -5.14 43.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.5 1904 0.0 0.0 0.0  
MONTH TO DATE T 0.6 -0.6 0.0  
SINCE DEC 1 T 0.6 -0.6 0.0  
SINCE JUL 1 T 0.7 -0.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 25 -12 29  
MONTH TO DATE 204 240 -36 227  
SINCE DEC 1 204 240 -36 227  
SINCE JUL 1 913 1080 -167 980  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1469 1322 147 1566    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 PM  
LOWEST 85 12:00 AM  
AVERAGE 91  
   
......................................................
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 70 2021  
MINIMUM TEMPERATURE (F) 31 9 1968  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 7:16 AM EST SUNSET 4:44 PM EST  
DECEMBER 12 2023......SUNRISE 7:17 AM EST SUNSET 4:44 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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