431  
CDUS43 KLOT 240634  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT FRI OCT 24 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR OCTOBER 23 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 53 78 2022 61 -8 64  
MINIMUM 33 28 2013 41 -8 41  
AVERAGE 43 51 -8 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.67 2009 0.12 -0.12 0.00  
MONTH TO DATE 1.55 2.80 -1.25 0.35  
SINCE SEP 1 2.26 6.11 -3.85 2.76  
SINCE JAN 1 27.27 35.45 -8.18 36.10  
 
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 22 14 8 12  
MONTH TO DATE 151 235 -84 157  
SINCE SEP 1 200 315 -115 180  
SINCE JUL 1 212 321 -109 184  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 43 13 30 7  
SINCE SEP 1 174 119 55 153  
SINCE JAN 1 1077 944 133 1022    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 80 2023  
MINIMUM TEMPERATURE (F) 40 26 1999  
 
SUNRISE AND SUNSET  
OCTOBER 24 2025.......SUNRISE 7:15 AM CDT SUNSET 5:57 PM CDT  
OCTOBER 25 2025.......SUNRISE 7:16 AM CDT SUNSET 5:56 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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