045  
CDUS43 KLOT 270638  
CLILOT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SUN JUL 27 2025  
   
...............................  
 
   
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR JULY 26 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 83 97 1997 85 -2 80  
MINIMUM 70 54 1994 65 5 58  
AVERAGE 77 75 2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 1.67 2005 0.15 -0.03 0.00  
MONTH TO DATE 4.29 3.76 0.53 3.79  
SINCE JUN 1 7.29 8.44 -1.15 8.77  
SINCE JAN 1 18.21 24.24 -6.03 29.73  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 12 10 2 4  
MONTH TO DATE 298 256 42 230  
SINCE JUN 1 558 456 102 482  
SINCE JAN 1 602 533 69 553    
........................................................  
 
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 94 1997  
MINIMUM TEMPERATURE (F) 65 55 1994  
2013  
 
SUNRISE AND SUNSET  
JULY 27 2025..........SUNRISE 5:42 AM CDT SUNSET 8:15 PM CDT  
JULY 28 2025..........SUNRISE 5:43 AM CDT SUNSET 8:14 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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