001  
CDUS43 KLOT 050635  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST FRI DEC 05 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR DECEMBER 4 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 20 67 1998 41 -21 40  
MINIMUM 1R 5 2006 25 -24 15  
AVERAGE 11 33 -22 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.94 1999 0.07 -0.07 0.01  
MONTH TO DATE 0.17 0.29 -0.12 0.01  
SINCE DEC 1 0.17 0.29 -0.12 0.01  
SINCE JAN 1 29.37 39.28 -9.91 39.83  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.1 2016 0.2 -0.2 0.1  
MONTH TO DATE 2.3 0.7 1.6 0.1  
SINCE DEC 1 2.3 0.7 1.6 0.1  
SINCE JUL 1 12.9 2.0 10.9 2.3  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 54 32 22 37  
MONTH TO DATE 190 126 64 176  
SINCE DEC 1 190 126 64 176  
SINCE JUL 1 1267 1318 -51 1038  
 
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) 40 67 2001  
MINIMUM TEMPERATURE (F) 25 1 2005  
 
SUNRISE AND SUNSET  
DECEMBER 5 2025......SUNRISE 7:04 AM CST SUNSET 4:22 PM CST  
DECEMBER 6 2025......SUNRISE 7:05 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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