798  
CDUS43 KLOT 040636  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST THU DEC 04 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 3 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2025  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 29 71 2012 41 -12 30  
MINIMUM 17 8 2006 26 -9 11  
AVERAGE 23 33 -10 21  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.46 1999 0.07 -0.04 0.00  
MONTH TO DATE 0.17 0.22 -0.05 0.00  
SINCE DEC 1 0.17 0.22 -0.05 0.00  
SINCE JAN 1 29.37 39.21 -9.84 39.82  
 
SNOWFALL (IN)  
YESTERDAY 0.7 1.0 2005 0.2 0.5 0.0  
MONTH TO DATE 2.3 0.5 1.8 0.0  
SINCE DEC 1 2.3 0.5 1.8 0.0  
SINCE JUL 1 12.9 1.8 11.1 2.2  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 32 10 44  
MONTH TO DATE 136 94 42 139  
SINCE DEC 1 136 94 42 139  
SINCE JUL 1 1213 1286 -73 1001  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1077 947 130 1040    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 67 1998  
MINIMUM TEMPERATURE (F) 25 5 2006  
 
SUNRISE AND SUNSET  
DECEMBER 4 2025......SUNRISE 7:03 AM CST SUNSET 4:22 PM CST  
DECEMBER 5 2025......SUNRISE 7:04 AM CST SUNSET 4:22 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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