741  
CDUS43 KIWX 180110  
CLISBN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
810 PM EST SUN DEC 17 2023  
   
...............................
 
 
   
..THE SOUTH BEND CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
VALID TODAY AS OF 0800 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 1134 AM 55 2006 36 9 27  
MINIMUM 42 659 PM -10 1951 23 19 23  
AVERAGE 44 29 15 25  
 
PRECIPITATION (IN)  
TODAY 0.01 1.00 1928 0.07 -0.06 0.03  
MONTH TO DATE 1.43 1.29 0.14 0.89  
SINCE DEC 1 1.43 1.29 0.14 0.89  
SINCE JAN 1 38.57 38.12 0.45 34.52  
 
SNOWFALL (IN)  
TODAY 0.0 5.1 1988 0.5 MM 0.8  
MONTH TO DATE T 6.2 -6.2 2.5  
SINCE DEC 1 T 6.2 -6.2 2.5  
SINCE JUL 1 3.5 11.5 -8.0 32.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 36 -15 40  
MONTH TO DATE 428 571 -143 502  
SINCE DEC 1 428 571 -143 502  
SINCE JUL 1 1525 1880 -355 1633  
 
COOLING  
TODAY 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 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 800 AM  
LOWEST 85 1200 PM  
AVERAGE 91  
   
......................................................
 
 
THE SOUTH BEND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 55 1957  
MINIMUM TEMPERATURE (F) 23 -7 1963  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 806 AM EST SUNSET 516 PM EST  
DECEMBER 18 2023......SUNRISE 807 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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