592  
CDUS43 KLOT 312133  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT THU JUL 31 2025  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 31 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 76 96 2006 84 -8 89  
MINIMUM 66 55 1997 64 2 68  
2009  
AVERAGE 71 74 -3 79  
 
PRECIPITATION (IN)  
TODAY T 2.03 2010 0.15 -0.15 T  
MONTH TO DATE 4.86 4.50 0.36 4.01  
SINCE JUN 1 7.86 9.18 -1.32 8.99  
SINCE JAN 1 18.78 24.98 -6.20 29.95  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 17 23 -6 8  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 6 9 -3 14  
MONTH TO DATE 364 300 64 287  
SINCE JUN 1 624 500 124 539  
SINCE JAN 1 668 577 91 610    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2006  
MINIMUM TEMPERATURE (F) 64 56 1996  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 5:46 AM CDT SUNSET 8:11 PM CDT  
AUGUST 1 2025........SUNRISE 5:47 AM CDT SUNSET 8:10 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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