562  
CDUS41 KLWX 130523  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST WED DEC 13 2023  
   
...............................  
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR DECEMBER 12 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 49 3:39 PM 71 1979 48 1 45  
2015  
MINIMUM 25 7:33 AM 10 1988 30 -5 35  
AVERAGE 37 39 -2 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 1983 0.13 -0.13 0.00  
MONTH TO DATE 2.79 1.51 1.28 0.74  
SINCE DEC 1 2.79 1.51 1.28 0.74  
SINCE JAN 1 37.89 42.80 -4.91 43.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.7 1982 0.1 -0.1 0.0  
MONTH TO DATE T 0.8 -0.8 0.0  
SINCE DEC 1 T 0.8 -0.8 0.0  
SINCE JUL 1 T 0.9 -0.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 26 2 25  
MONTH TO DATE 257 292 -35 278  
SINCE DEC 1 257 292 -35 278  
SINCE JUL 1 966 1132 -166 1031  
 
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 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 8:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 59  
   
......................................................  
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 72 2015  
MINIMUM TEMPERATURE (F) 30 8 1960  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 7:17 AM EST SUNSET 4:44 PM EST  
DECEMBER 14 2023......SUNRISE 7:18 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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