263  
CDUS43 KLOT 182138  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT MON AUG 18 2025  
   
...............................
 
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR AUGUST 18 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 86 90 1995 83 3 78  
MINIMUM 71 53 2002 63 8 66  
2012  
AVERAGE 79 73 6 72  
 
PRECIPITATION (IN)  
TODAY 0.00 1.01 2015 0.14 -0.14 T  
MONTH TO DATE 3.51 2.55 0.96 2.31  
SINCE JUN 1 11.37 11.73 -0.36 11.30  
SINCE JAN 1 22.29 27.53 -5.24 32.26  
 
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 2  
SINCE JUN 1 17 25 -8 10  
SINCE JUL 1 0 2 -2 2  
 
COOLING  
TODAY 14 8 6 7  
MONTH TO DATE 200 155 45 145  
SINCE JUN 1 823 655 168 684  
SINCE JAN 1 867 732 135 755    
........................................................
 
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 91 1995  
MINIMUM TEMPERATURE (F) 63 51 1992  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 6:04 AM CDT SUNSET 7:47 PM CDT  
AUGUST 19 2025........SUNRISE 6:05 AM CDT SUNSET 7:46 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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