580  
CDUS43 KIWX 160621  
CLISBN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
121 AM EST SAT DEC 16 2023  
   
...............................
 
 
   
..THE SOUTH BEND CLIMATE SUMMARY FOR DECEMBER 15 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 409 PM 64 2021 36 18 42  
MINIMUM 32 835 AM -12 1901 23 9 32  
AVERAGE 43 30 13 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1987 0.08 -0.08 0.34  
MONTH TO DATE 1.22 1.15 0.07 0.81  
SINCE DEC 1 1.22 1.15 0.07 0.81  
SINCE JAN 1 38.36 37.98 0.38 34.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.9 1955 0.4 -0.4 0.3  
MONTH TO DATE T 5.3 -5.3 0.5  
SINCE DEC 1 T 5.3 -5.3 0.5  
SINCE JUL 1 3.5 10.6 -7.1 30.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 35 -13 28  
MONTH TO DATE 387 499 -112 427  
SINCE DEC 1 387 499 -112 427  
SINCE JUL 1 1484 1808 -324 1558  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 820 723 97 1003    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 400 AM  
LOWEST 38 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE SOUTH BEND CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 65 1984  
MINIMUM TEMPERATURE (F) 23 -16 1951  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 806 AM EST SUNSET 516 PM EST  
DECEMBER 17 2023......SUNRISE 806 AM EST SUNSET 516 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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