255  
CDUS43 KLOT 250633  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU SEP 25 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 24 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 74 91 2007 74 0 65  
2017  
MINIMUM 59 36 2012 52 7 57  
AVERAGE 67 63 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2024 0.11 -0.11 0.73  
MONTH TO DATE 0.71 2.69 -1.98 2.35  
SINCE SEP 1 0.71 2.69 -1.98 2.35  
SINCE JAN 1 25.72 32.03 -6.31 35.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 4  
MONTH TO DATE 49 50 -1 22  
SINCE SEP 1 49 50 -1 22  
SINCE JUL 1 61 56 5 26  
 
COOLING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 100 96 4 131  
SINCE SEP 1 100 96 4 131  
SINCE JAN 1 1003 921 82 1000    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 2017  
MINIMUM TEMPERATURE (F) 52 39 2001  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2025.....SUNRISE 6:43 AM CDT SUNSET 6:44 PM CDT  
SEPTEMBER 26 2025.....SUNRISE 6:44 AM CDT SUNSET 6:42 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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