318  
CDUS43 KIWX 190034  
CLISBN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
734 PM EST MON DEC 18 2023  
   
...............................  
 
   
..THE SOUTH BEND CLIMATE SUMMARY FOR DECEMBER 18 2023  
 
VALID TODAY AS OF 0700 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 37 307 AM 55 1957 36 1 23  
MINIMUM 27 610 PM -7 1963 23 4 18  
AVERAGE 32 29 3 21  
 
PRECIPITATION (IN)  
TODAY 0.08 1.35 1895 0.07 0.01 T  
MONTH TO DATE 1.51 1.36 0.15 0.89  
SINCE DEC 1 1.51 1.36 0.15 0.89  
SINCE JAN 1 38.65 38.19 0.46 34.52  
 
SNOWFALL (IN)  
TODAY 1.0 10.0 1929 0.4 0.6 T  
MONTH TO DATE 1.0 6.6 -5.6 2.5  
SINCE DEC 1 1.0 6.6 -5.6 2.5  
SINCE JUL 1 4.5 11.9 -7.4 32.7  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 33 36 -3 44  
MONTH TO DATE 464 607 -143 546  
SINCE DEC 1 464 607 -143 546  
SINCE JUL 1 1561 1916 -355 1677  
 
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 31 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 17.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 63 200 PM  
AVERAGE 78  
   
......................................................  
 
THE SOUTH BEND CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 56 1895  
MINIMUM TEMPERATURE (F) 22 -14 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 807 AM EST SUNSET 516 PM EST  
DECEMBER 19 2023......SUNRISE 808 AM EST SUNSET 517 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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