693  
CDUS43 KLOT 230634  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT WED SEP 23 2026  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 22 2026
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1992 TO 2026  
 
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST  
VALUE VALUE VALUE FROM YEAR  
NORMAL    
........................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 93 2017 74 -10 80  
MINIMUM 56 33 1995 53 3 63  
AVERAGE 60 64 -4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 2024 0.11 -0.11 0.00  
MONTH TO DATE 5.42 2.47 2.95 0.70  
SINCE SEP 1 5.42 2.47 2.95 0.70  
SINCE JAN 1 40.90 31.81 9.09 25.71  
 
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 5 4 1 0  
MONTH TO DATE 10 42 -32 49  
SINCE SEP 1 10 42 -32 49  
SINCE JUL 1 10 48 -38 61  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 175 92 83 93  
SINCE SEP 1 175 92 83 93  
SINCE JAN 1 1010 917 93 996    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 2017  
MINIMUM TEMPERATURE (F) 53 29 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2026.....SUNRISE 6:41 AM CDT SUNSET 6:48 PM CDT  
SEPTEMBER 24 2026.....SUNRISE 6:42 AM CDT SUNSET 6:46 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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